Multipathogen infections in hospitalized children with acute respiratory infections (2009)
Peng, Dan, Zhao, Dongchi, Liu, Jingtao, Wang, Xia, Yang, Kun, Xicheng, Hong, ...
Abstract Background To explore the epidemiologic and clinical features of, and interactions among, multipathogen infections in hospitalized children with acute respiratory tract infection (ARTI). A...
Edge-mode velocities and thermal coherence of quantum Hall interferometers (2009)
Hu, Zi-Xiang, Rezayi, E. H., Wan, Xin, Yang, Kun
We present comprehensive results on the edge-mode velocities in a quantum Hall droplet with realistic interaction and confinement at various filling fractions. We demonstrate that the charge velocity...
Momentum resolved tunneling into the Pfaffian and anti-Pfaffian edges (2009)
We calculate the electron spectral functions at the edges of the Moore-Read Pfaffian and anti-Pfaffian fractional quantum Hall states, in the clean limit. We show that their qualitative differences...
Non-Fermi Liquid behavior in Neutral Bilayer Graphene (2009)
We calculate the density-density response function and electron self-energy for undoped bilayer graphene, within the Random Phase Approximation (RPA). We show that the quasiparticle decay rate scales...
Phase Diagrams of Spinor Bose Gases (2009)
Using effective field theories dictated by the symmetry of the system, as well as microscopic considerations, we map out the magnetic coupling-temperature phase diagrams of spin-1 Bose gases in both...
Many-body instability of Coulomb interacting bilayer graphene: RG approach (2009)
Low-energy electronic structure of (unbiased) bilayer graphene is made of two Fermi points with quadratic dispersions, if trigonal-warping and other high order contributions are ignored. We show that...
The enigma of the nu=0 quantum Hall effect in graphene (2009)
We apply Laughlin's gauge argument to analyze the $\nu=0$ quantum Hall effect observed in graphene when the Fermi energy lies near the Dirac point, and conclude that this necessarily leads to...
Xu, Zhuwei, Zhang, Tao, Zhuang, Ran, Zhang, Yun, Jia, Wei, Song, Chaojun, ...
Abstract Background As a cellular membrane triggering receptor, CD226 is involved in the NK cell- or CTL-mediated lysis of tumor cells of different origin, including freshly isolated tumor cells and...
Edge states in a honeycomb lattice: effects of anisotropic hopping and mixed edges (2009)
Dahal, Hari P., Hu, Zi-Xiang, Sinitsyn, N. A., Yang, Kun, Balatsky, A. V.
We study the edge states in graphene in the presence of a magnetic field perpendicular to the plane of the lattice. Most of the works done so far discuss the edge states in either zigzag or armchair...
Entanglement Entropy and Mutual Information in Bose-Einstein Condensates (2009)
In this paper we study the entanglement properties of free {\em non-relativistic} Bose gases. At zero temperature, we calculate the bipartite block entanglement entropy of the system, and find it...
Quasiparticle tunneling in the Moore-Read fractional quantum Hall State (2009)
Chen, Hua, Hu, Zi-Xiang, Yang, Kun, Rezayi, E. H., Wan, Xin
In fractional quantum Hall systems, quasiparticles of fractional charge can tunnel between the edges at a quantum point contact. Such tunneling (or backscattering) processes contribute to charge...
Liu, Xiang-ping, Wang, Hai-bo, Yang, Kun, Sui, Ai-hua, Shi, Qiang, Qu, Shen
Abstract Background RhoA and RhoC are deregulated by over expression in many human tumors, including colorectal cancer. Some reports show that they play a pivotal role in the carcinogenesis, tumor...
Detection of Striped Superconductors Using Magnetic Field Modulated Josephson Effect (2009)
In a very interesting recent Letter\cite{berg}, the authors suggested that a novel form of superconducting state is realized in La$_{2-x}$Ba$_x$CuO$_4$ with $x$ close to 1/8. This suggestion was...
Yang, Kun, Halperin, Bertrand I.
We show in this paper that thermopower is enhanced in non-Abelian quantum Hall liquids under appropriate conditions. This is because thermopower measures entropy per electron in the clean limit,...
Shumao Ou, Kun Yang, Hsiao-Hwa Chen, Alex Galis
Providing quality-of-service- (QoS-) guaranteed video on demand (VOD) services over wireless access in vehicular environments (WAVEs) is a challenge as WAVE adopts enhanced distributive channel...
Shumao Ou, Kun Yang, Hsiao-Hwa Chen, Alex Galis
Providing quality-of-service- (QoS-) guaranteed video on demand (VOD) services over wireless access in vehicular environments (WAVEs) is a challenge as WAVE adopts enhanced distributive channel...
Ground state and edge excitations of quantum Hall liquid at filling factor 2/3 (2008)
Hu, Zi-Xiang, Chen, Hua, Yang, Kun, Rezayi, E. H., Wan, Xin
We present a numerical study of fractional quantum Hall liquid at Landau level filling factor $\nu=2/3$ in a microscopic model including long-range Coulomb interaction and edge confining potential,...
The effect of Li on the spectrum of Er3+ in Li- and Er-codoped ZnO nanocrystals (2008)
Bai, Yunfeng, Wang, Yuxiao, Yang, Kun, Zhang, Xueru, Peng, Guanya, Song, Yinglin, ...
Infrared-to-visible upconversion emission intensities are investigated in Li+ and Er3+ codoped ZnO nanocrystals. Li+ ions doped in ZnO/Er3+ nanocrystals can greatly enhance the upconversion emission...
This paper has been superseded by a new preprint: Kun Yang and Bertrand I. Halperin, arXiv:0901.1429.
Su, Shao, He, Yao, Zhang, Mingliang, Yang, Kun, Song, Shiping, Zhang, Xiaohong, ...
We report the use of a silicon-based nanocomplex, i.e., gold nanoparticles-coated silicon nanowires, for the improvement of acetylcholinesterase (AChE)-based electrochemical sensors for pesticide...
Magnetization and Spin Excitations of Non-Abelian Quantum Hall States (2008)
Significant insights into non-Abelian quantum Hall states were obtained from studying special multi-particle interaction Hamiltonians, whose unique ground states are the Moore-Read and Read-Rezayi...
Fulde-Ferrell-Larkin-Ovchinnikov state in disordered s-wave superconductors (2008)
The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is a superconducting state stabilized by a large Zeeman splitting between up- and down-spin electrons in a singlet superconductor. In the absence of...
Spin polarization of the $\nu=5/2$ quantum Hall state (2008)
Feiguin, A. E., Rezayi, E., Yang, Kun, Nayak, C., Sarma, S. Das
We report on results of numerical studies of the spin polarization of the half filled second Landau level, which corresponds to the fractional quantum Hall state at filling factor $\nu=5/2$. Our...
Towards Efficient Resource on-Demand in Grid Computing (2008)
Kun Yang, Xin Guo, Alex Galis, Bo Yang, Dayou Liu
Abstract: The essence of Grid Computing is to provide efficient Resource on Demand (RoD). This paper addresses this challenge from the perspective of network, the living platform of Grid, by...
A Flexible QoS-aware Service Gateway for Heterogeneous Wireless Networks (2008)
The integration of different types of wireless access networks, or heterogeneous wireless networks (HWN), is emerging. This article investigates in particular how a combination of UMTS (universal...
Trust in Knowledge Flow Network 1 (2008)
Weiyu Guo, Xinjie Shi, Lei Cao, Kun Yang
Abstract. An ideal knowledge flow network passes right knowledge to the right person at the right time. Trust between knowledge nodes influences the efficiency of knowledge interchange in an...
An Open Source Domain-Specific Tools Framework to Support Model Driven Development of OSS (2008)
Achilleas Achilleos, Nektarios Georgalas, Kun Yang
Abstract. Telecommunications companies undergo massive transformations which reflect onto exacting requirements for controlling the costs of new Operation Support Systems (OSS) development and...
Block Entanglement Entropy of Ground States with Long-Range Magnetic Order (2008)
Ding, Wenxin, Bonesteel, Nicholas E., Yang, Kun
In this paper we calculate the block entanglement entropies of spin models whose ground states have perfect antiferromagnetic or ferromagnetic long-range order. In the latter case the definition of...
ARCA-An Adaptive Routing Protocol for Converged Ad-Hoc and Cellular Networks (2008)
Wu, Yumin, Yang, Kun, Chen, Hsiao-Hwa
This paper proposes an adaptive routing protocol called ARCA for converged ad-hoc and cellular network (CACN). Due to the limitation of both bandwidth and transmission range in a cell, a mobile host...
Halperin (m, m',n) bilayer quantum Hall states on thin cylinders (2008)
The Halperin $(m,m',n)$ bilayer quantum Hall states are studied on thin cylinders. In this limit, charge density wave patterns emerge that are characteristic of the underlying quantum Hall state. The...
Wan, Xin, Hu, Zi-Xiang, Rezayi, E. H., Yang, Kun
We present a comprehensive numerical study of a microscopic model of the fractional quantum Hall system at filling fraction $\nu = 5/2$, based on the disc geometry. Our model includes Coulomb...
Mobile Agent Security Facility for Safe Configuration of IP Networks (2007)
Network management applications using mobile agents require secure techniques for the lifecycle of the mobile agent, from both mobile agent and host points of view. Based on the analysis of the...
Quantum Hall Transition near a Fermion Feshbach Resonance in a Rotating Trap (2007)
We consider two-species of fermions in a rotating trap that interact via an s-wave Feshbach resonance, at total Landau level filling factor two (or one for each species). We show that the system...
Superfluid-Insulator Transition and Fermion Pairing in Bose-Fermi Mixtures (2007)
It is well known that bosons on an optical lattice undergo a second-order superfluid-insulator transition (SIT) when the lattice potential increases. In this paper we study SIT when fermions coexist...
Supersymmetry and Goldstino-like Mode in Bose-Fermi Mixtures (2007)
Supersymmetry is assumed to be a basic symmetry of the world in many high energy theories, but none of the super partners of any known elementary particle has been observed yet. We argue that...
Spontaneous Symmetry Breaking and Quantum Hall Effect in Graphene (2007)
In this article we briefly review recent experimental and theoretical work on quantum Hall effect in graphene, and argue that some of the quantum Hall states exhibit spontaneous symmetry breaking...
Dynamic Simulations on the Arachidonic Acid Metabolic Network (2007)
Kun Yang, Wenzhe Ma, Huanhuan Liang, Qi Ouyang, Chao Tang, Luhua Lai
Drug molecules not only interact with specific targets, but also alter the state and function of the associated biological network. How to design drugs and evaluate their functions at the systems...
Dynamic simulations on the Arachidonic Acid Metabolic Network (2007)
Kun Yang, Wenzhe Ma, Huanhuan Liang, Qi Ouyang, Chao Tang, Luhua Lai
Drug molecules not only interact with specific targets, but also alter the state and function of the associated biological network. How to design drugs and evaluate their functions at systems level...
Desorption of polycyclic aromatic hydrocarbons from carbon nanomaterials in water (2007)
Desorption behavior of pyrene, phenanthrene and naphthalene from fullerene, single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs) was examined. Available adsorption space...
Infinite-Randomness Fixed Points for Chains of Non-Abelian Quasiparticles (2006)
One-dimensional chains of non-Abelian quasiparticles described by $SU(2)_k$ Chern-Simons-Witten theory can enter random singlet phases analogous to that of a random chain of ordinary spin-1/2...
The impact of sample imbalance on identifying differentially expressed genes (2006)
Yang, Kun, Li, Jianzhong, Gao, Hong
Abstract Background Recently several statistical methods have been proposed to identify genes with differential expression between two conditions. However, very few studies consider the problem of...
Wan, Xin, Yang, Kun, Rezayi, E. H.
We study the ground state and low-energy excitations of fractional quantum Hall systems on a disk at filling fraction $\nu = 5/2$, with Coulomb interaction and background confining potential. We find...
Econometric Analysis of Financial Markets Using High-Frequency Data (2006)
This dissertation employs high-frequency data and techniques to examine various topics in financial markets. Chapter 1 compares forward regression model with eight statistical/practical trading...
Econometric Analysis of Financial Markets Using High-Frequency Data (2006)
This dissertation employs high-frequency data and techniques to examine various topics in financial markets. Chapter 1 compares forward regression model with eight statistical/practical trading...
Novel STAT1 Alleles in Otherwise Healthy Patients with Mycobacterial Disease (2006)
Ariane Chapgier, Stéphanie Boisson-Dupuis, Emmanuelle Jouanguy, Guillaume Vogt, Jacqueline Feinberg, Ada Prochnicka-Chalufour, ...
The transcription factor signal transducer and activator of transcription-1 (STAT1) plays a key role in immunity against mycobacterial and viral infections. Here, we characterize three human STAT1...
Desorption of polycyclic aromatic hydrocarbons from carbon nanomaterials in water (2006)
Desorption behavior of pyrene, phenanthrene and naphthalene from fullerene, single-walled carbon nanotubes (SWCNTs) and multi-walled carbon nanotubes (MWCNTs) was examined. Available adsorption space...
Collective Modes and Skyrmion Excitations in Graphene SU(4) Quantum Hall Ferromagnets (2006)
Yang, Kun, Sarma, S. Das, MacDonald, A. H.
Graphene exhibits quantum Hall ferromagnetism in which an approximate SU(4) symmetry involving spin and valley degrees of freedom is spontaneously broken. We construct a set of integer and fractional...
A stable gene selection in microarray data analysis (2006)
Yang, Kun, Cai, Zhipeng, Li, Jianzhong, Lin, Guohui
Abstract Background Microarray data analysis is notorious for involving a huge number of genes compared to a relatively small number of samples. Gene selection is to detect the most significantly...
In this chapter we review recent experimental and theoretical work on various novel superfluid phases in fermion systems, that result from pairing fermions of different species with unequal...
Fermi surfaces and Luttinger's theorem in paired fermion systems (2006)
We discuss ground state properties of a mixture of two fermion species which can bind to form a molecular boson. When the densities of the fermions are unbalanced, one or more Fermi surfaces can...
Research degree.
Econometric analysis of financial markets using high-frequency data [electronic resource] / (2006)
System requirements: PC, World Wide Web browser and PDF reader.
Econometric analysis of financial markets using high-frequency data (2006)
Thesis (Ph. D. in Economics)--Vanderbilt University, Dec. 2006.
Gupta, Vandana, Tabiin, Tani M., Sun, Kai, Chandrasekaran, Ananth, Anwar, Azlinda, Yang, Kun, ...
Correspondence between the T-cell epitope responses of vaccine immunogens and those of pathogen antigens is critical to vaccine efficacy. In the present study, we analyzed the spectrum of immune...
Gupta, Vandana, Tabiin, Tani M., Sun, Kai, Chandrasekaran, Ananth, Anwar, Azlinda, Yang, Kun, ...
Correspondence between the T-cell epitope responses of vaccine immunogens and those of pathogen antigens is critical to vaccine efficacy. In the present study, we analyzed the spectrum of immune...
A conceptual framework for semantic web-based ecommerce / (2006)
Thèse (M.Sc.)--Université Laval, 2006.
TarFisDock: a web server for identifying drug targets with docking approach (2006)
Li, Honglin, Gao, Zhenting, Kang, Ling, Zhang, Hailei, Yang, Kun, Yu, Kunqian, ...
TarFisDock is a web-based tool for automating the procedure of searching for small molecule–protein interactions over a large repertoire of protein structures. It offers PDTD (potential drug target...
Quantum criticality of a Fermi gas with a spherical dispersion minimum (2005)
We describe the quantum phase transition of a Fermi gas occurring when the quasiparticle excitation energy has a minimum in momentum space which crosses zero on a sphere of radius k_0 \neq 0. The...
Cui, Qinghong, Hu, Chia-Ren, Wei, J. Y. T., Yang, Kun
The Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state has received renewed interest recently due to the experimental indication of its presence in CeCoIn$_5$, a quasi 2-dimensional (2D) d-wave...
Superfluidity in fermionic systems originates from pairing of fermions, and Bose condensation of these so-called Cooper pairs. The Cooper pairs are usually made of fermions of different species; for...
Effects of Quantum Hall Edge Reconstruction on Momenum-Resolved Tunneling (2005)
During the reconstruction of the edge of a quantum Hall liquid, Coulomb interaction energy is lowered through the change in the structure of the edge. We use theory developed earlier by one of the...
Mobility gap in fractional quantum Hall liquids: Effects of disorder and layer thickness (2005)
Wan, Xin, Sheng, D. N., Rezayi, E. H., Yang, Kun, Bhatt, R. N., Haldane, F. D. M.
We study the behavior of two-dimensional electron gas in the fractional quantum Hall regime in the presence of finite layer thickness and correlated disordered potential. Generalizing the Chern...
In a very interesting recent Letter\cite{machida}, the authors suggested the possibility of realizing the spatially modulated, or Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) superfluid state in trapped...
Dynamics of weakly coupled random antiferromagnetic quantum spin chains (2005)
We study the low-energy collective excitations and dynamical response functions of weakly coupled random antiferromagnetic spin-1/2 chains. The interchain coupling leads to Neel order at low...
We use high dimensional bosonization to derive an effective field theory that describes the Pomeranchuck transition in two-dimensional Fermi liquids. The bosonization approach explicitly retains all...
Research article A stable gene selection in microarray data analysis (2005)
Bmc Bioinformatics, Kun Yang, Zhipeng Cai, Jianzhong Li, Guohui Lin, Guohui Lin
Background: Microarray data analysis is notorious for involving a huge number of genes compared to a relatively small number of samples. Gene selection is to detect the most significantly...
Modelling Context Information for Managing Pervasive Network Services (2005)
Joan Serrat F, Kun Yang, Epi Salamanca C
Abstract. Pervasive Computing is the trend towards increase the capacity of communication and the perfect human interaction with a quantity massive of contraptions and computational systems in a way...
Fluctuation-Driven First-Order Transition in Pauli-limited d-wave Superconductors (2004)
We study the phase transition between the normal and non-uniform (Fulde-Ferrell-Larkin-Ovchinnikov) superconducting state in quasi two-dimensional d-wave superconductors at finite temperature. We...
Electron Spectral Functions of Reconstructed Quantum Hall Edges (2004)
During the reconstruction of the edge of a quantum Hall liquid, Coulomb interaction energy is lowered through the change in the structure of the edge. We use theory developed earlier by one of the...
Vortex Lattice Structure of Fulde-Ferrell-Larkin-Ovchinnikov Superconductors (2004)
In superconductors with singlet pairing, the inhomogeneous Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) state is expected to be stabilized by a large Zeeman splitting. We develop an efficient method to...
Cui, Qinghong, Wan, Xin, Yang, Kun
We present results of numerical studies of spin quantum Hall transitions in disordered superconductors, in which the pairing order parameter breaks time-reversal symmetry. We focus mainly on p-wave...
Spin Waves in Antiferromagnetic Spin Chains with Long Range Interactions (2004)
Yusuf, Eddy, Joshi, Anuvrat, Yang, Kun
We study antiferromagnetic spin chains with unfrustrated long-range interactions that decays as a power law with exponent $\beta$, using the spin wave approximation. We find for sufficiently large...
Ferromagnetic Transition in One-Dimensional Itinerant Electron Systems (2004)
We use bosonization to derive the effective field theory that properly describes ferromagnetic transition in one-dimensional itinerant electron systems. The resultant theory is shown to have...
Thesis (MBus) -- Auckland University of Technology.
Random Antiferromagnetic Spin-1/2 Chains with Competing Interactions (2003)
We study disordered antiferromagnetic spin-1/2 chains with nearest- and further-neighbor interactions using the real-space renormalization-group method. We find that the system supports two different...
Sheng, D. N., Wan, Xin, Rezayi, E. H., Yang, Kun, Bhatt, R. N., Haldane, F. D. M.
We study the nu=1/3 quantum Hall state in presence of the random disorder. We calculate the topologically invariant Chern number, which is the only quantity known at present to unambiguously...
Edge reconstruction in the fractional quantum Hall regime (2003)
Wan, Xin, Rezayi, E. H., Yang, Kun
The interplay of electron-electron interaction and confining potential can lead to the reconstruction of fractional quantum Hall edges. We have performed exact diagonalization studies on microscopic...
Field Theoretical Description of Quantum Hall Edge Reconstruction (2003)
We propose a generalization of the chiral Luttinger liquid theory to allow for a unified description of quantum Hall edges with or without edge reconstruction. Within this description edge...
Policy-Driven Mobile Agents for Context-Aware Service in Next Generation Networks (2003)
Kun Yang, Alex Galis, Chris Todd
Abstract. In order to bring together the different advantages of various wireless technologies and wired networks, solution from service’s perspective is critical. And this kind of integrated...
Network engineering towards efficient resource on-demand in grid computing (2003)
Abstract: The essence of Grid Computing is to provide efficient Resource on Demand (RoD). This paper addresses this challenge from the perspective of network, the living platform of Grid, by...
We discuss the effects of fluctuations of the local density of charged dopants near a first order phase transition in electronic systems, that is driven by change of charge carrier density controlled...
For a two-component bosonic system, the components can be mapped onto a pseudo-spin degree of freedom with spin quantum number S=1/2. We provide a rigorous proof that for a wide-range of real...
Spin Waves in Random Spin Chains (2002)
Wan, Xin, Yang, Kun, Zhou, Chenggang, Bhatt, R. N.
We study quantum spin-1/2 Heisenberg ferromagnetic chains with dilute, random antiferromagnetic impurity bonds with modified spin-wave theory. By describing thermal excitations in the language of...
Low temperature properties of antiferromagnetic two-leg spin-1/2 ladders with bond randomness and site dilution (or doping with nonmagnetic impurities) are studied using the real-space...
Bond-randomness-induced Neel order in weakly coupled antiferromagnetic spin chains (2002)
Quasi-one-dimensional antiferromagnetic (AF) quantum spin systems show a wide range of interesting phenomena such as the spin-Peierls transition and disorder driven long range ordering. While there...
Modified spin-wave study of random antiferromagnetic-ferromagnetic spin chains (2002)
Wan, Xin, Yang, Kun, Bhatt, R. N.
We study the thermodynamics of one-dimensional quantum spin-1/2 Heisenberg ferromagnetic system with random antiferromagnetic impurity bonds. In the dilute impurity limit, we generalize the modified...
Thermodynamics of strongly disordered spin ladders (2002)
We study antiferromagnetic two-leg spin-1/2 ladders with strong bond randomness, using the real space renormalization group method. We find the low-temperature spin susceptibility of the system...
Reconstruction of Fractional Quantum Hall Edges (2001)
Wan, Xin, Yang, Kun, Rezayi, E. H.
We study the interplay of interaction, confining potential and effects of finite temperature at the edge of a quantum Hall liquid. Our exact diagonalization calculation indicates that edge...
Wigner Crystals in the lowest Landau level at low filling factors (2001)
Yang, Kun, Haldane, F. D. M., Rezayi, E. H.
We report on results of finite-size numerical studies of partially filled lowest Landau level at low electron filling factors. We find convincing evidence suggesting that electrons form Wigner...
The spontaneous interlayer phase coherent (111) state of bi-layer Quantum Hall system at filling factor $\nu=1$ may be viewed as a condensate of interlayer particle-hole pairs or excitons. We show in...
Inhomogeneous superconducting state in quasi-one-dimensional systems (2000)
We report on results of theoretical study of non-uniform superconducting states in quasi-one-dimensional systems, with attractive interactions and Zeeman splitting between electron spins. Using...
Sliding Phases via Magnetic Fields (2000)
We show that three dimensional "sliding" analogs of the Kosterlitz-Thouless phase, in stacked classical two-dimensional XY models and quantum systems of coupled Luttinger Liquids, can be enlarged by...
We derive the Ginzburg-Landau theory of unconventional singlet superconductors in the presence of a Zeeman field and impurities, in order to examine the resulting Fulde-Ferrell-Larkin-Ovchinnikov...
We study the superconducting instability in systems with long but finite ranged, attractive, pairing interactions. We show that such long-ranged superconductors exhibit a new class of fluctuations in...
Haldane, F. D. M., Rezayi, E H., Yang, Kun
We report on results of systematic numerical studies of two-dimensional electron gas systems subject to a perpendicular magnetic field, with a high Landau level partially filled by electrons. Our...
Timelabs/Diebold: “Winning in Mobile eMarkets (2000)
Shumao Ou, Nektarios Georgalas, Manooch Azmoodeh, Kun Yang, Xiantang Sun
Abstract. Context-awareness is a very important feature for pervasive services to enhance their flexibility and adaptability to changing conditions and dynamic environments. Using ontologies to model...
Josephson Effect in Fulde-Ferrell-Larkin-Ovchinnikov Superconductors (1999)
Due to the difference in the momenta of the superconducting order parameters, the Josephson current in a Josephson junction between a Fulde-Ferrell-Larkin-Ovchinnikov (FFLO) superconductor and a...
In a recent Letter (PRL 83, 3297 (1999)), Hida presented numerical results indicating that the Haldane phase of the Heisenberg antiferromagnetic spin-1 chain is stable against bond randomness, for...
Zeeman and Orbital Effects of an in-Plane Magnetic Field in Cuprate Superconductors (1999)
We discuss the effects of a magnetic field applied parallel to the Cu-O ($ab$) plane of the high $T_c$ cuprate superconductors. After briefly reviewing the Zeeman effect of the field, we study the...
Nondissipative Drag Conductance as a Topological Quantum Number (1999)
We show in this paper that the boundary condition averaged nondissipative drag conductance of two coupled mesoscopic rings with no tunneling, evaluated in a particular many-particle eigenstate, is a...
An exact spin mapping is identified to simplify the recently proposed hard-core boson description (Demler and Das Sarma, Phys. Rev. Lett., to be published) of the bilayer quantum Hall system at...
Charge Density Wave Ordering in Half Filled High Landau Levels (1999)
Rezayi, E. H., Haldane, F. D. M., Yang, Kun
We report on numerical studies of two-dimensional electron systems in the presence of a perpendicular magnetic field, with a high Landau level index (N > 1) half filled by electrons. Strong and sharp...
Quantum Hall - insulator transitions in lattice models with strong disorder (1998)
We report results of numerical studies of the integer quantum Hall effect in a tight binding model on a two-dimensional square lattice with non-interacting electrons, in the presence of a random...
Hall Drag in Correlated Double Layer Quantum Hall Systems (1998)
We show that in the limit of zero temperature, double layer quantum Hall systems exhibit a novel phenomena called Hall drag, namely a current driven in one layer induces a voltage drop in the other...
Universality at integer quantum Hall transitions (1998)
Yang, Kun, Shahar, D., Bhatt, R. N., Tsui, D. C., Shayegan, M.
We report in this paper results of experimental and theoretical studies of transitions between different integer quantum Hall phases, as well as transition between the insulating phase and quantum...
Generation of Large Moments in a Spin-1 Chain with Random Antiferromagnetic Couplings (1998)
We study the spin-1 chain with nearest neighbor couplings that are rotationally invariant, but include both Heisenberg and biquadratic exchange, with random strengths. We demonstrate, using...
Generation of Large Moments in a Spin-1 Chain with Random Antiferromagnetic Couplings (1997)
We study the spin-1 chain with nearest neighbor couplings that are rotationally invariant, but include both Heisenberg and biquadratic exchange, with random strengths. We demonstrate, using...
Chari, A. Raghav, Haldane, F. D. M., Yang, Kun
In this paper, we propose a gauge-invariant way to define and calculate the effective mass for quasiparticles in systems with gauge interactions, and apply it to a model closely related to the...
Response of a $d_{x^2-y^2}$ Superconductor to a Zeeman Magnetic Field (1997)
We study the response of a two dimensional $d_{x^2-y^2}$ superconductor to a magnetic field that couples only to the spins of the electrons. In contrast to the s-wave case, the $d_{x^2-y^2}$ state is...
Current Carrying States in a Random Magnetic Field (1996)
We report results of a numerical study of noninteracting electrons moving in two dimensions, in the presence of a random potential and a random magnetic field for a sequence of finite sizes, using...
An Impurity Driven Phase Transition in the Antiferromagnetic Spin-1 Chain (1996)
Using an asymptotically exact real space renormalization procedure, we find that the Heisenberg antiferromagnetic spin-1 chain undergoes an impurity driven second order phase transition from the...
Landau Level Mixing and Levitation of Extended States in Two Dimensions (1996)
We study the effects of mixing of different Landau levels on the energies of one-body states, in the presence of a strong uniform magnetic field and a random potential in two dimensions. We use a...
Yang, Kun, Moon, K., Belkhir, Lotfi, Mori, H., Girvin, S. M., MacDonald, A. H., ...
At strong magnetic fields double-layer two-dimensional-electron-gas systems can form an unusual broken symmetry state with spontaneous inter-layer phase coherence. The system can be mapped to an...
Many skyrmion wave functions and skyrmion statistics in quantum Hall ferromagnets (1996)
We determine the charge and statistical angle of skyrmions in quantum Hall ferromagnets by performing Berry phase calculations based on the microscopic variational wave functions for many-skyrmion...
Floating of Extended States and Localization Transition in a Weak Magnetic Field (1995)
We report results of a numerical study of non-interacting electrons moving in a random potential in two dimensions in the presence of a weak perpendicular magnetic field. We study the topological...
Random Bonds and Topological Stability in Gapped Quantum Spin Chains (1995)
Hyman, R. A., Yang, Kun, Bhatt, R. N., Girvin, S. M.
We study the effects of random bonds on spin chains that have an excitation gap in the absence of randomness. The dimerized spin-1/2 chain is our principal example. Using an asymptotically exact real...
We report on a Hartree-Fock approximation study of the meron pseudospin-texture excitations of the broken-symmetry incompressible ground states of double-layer quantum Hall states at $\nu =1$. We...
Measuring image quality of stereo image pairs after lossy compression / (1995)
Thesis (M.S.)--Electrical Engineering Dept., South Dakota State University, 1995.
Moon, K., Mori, H., Yang, Kun, Girvin, S. M., MacDonald, A. H., Zheng, L., ...
At strong magnetic fields double-layer two-dimensional-electron-gas systems can form an unusual broken symmetry state with spontaneous inter-layer phase coherence. In this paper we explore the rich...
Quantum Ferromagnetism and Phase Transitions in Double-Layer Quantum Hall Systems (1993)
Yang, Kun, Moon, K., Zheng, L., MacDonald, A. H., Girvin, S. M., Yoshioka, D., ...
Double layer quantum Hall systems have interesting properties associated with interlayer correlations. At $\nu =1/m$ where $m$ is an odd integer they exhibit spontaneous symmetry breaking equivalent...
Possible Quantum Spin Liquid States on the Triangular and Kagome Lattices (1992)
Yang, Kun, Warman, K. L., Girvin, S. M.
The frustrated spin-one-half Heisenberg model on triangualr and Kagome Lattices is mapped onto a single specis of fermion carrying statistical flux. The corresponding Chern-Simons gauge theory is...
Thesis (M.S.)--Boston University, 1992.
Interaction of human fibrinogen receptor (GPIIb-IIIa) with decorsin 1 (1096)
Jie Yang, Chen-yang Zhan, Xian-chi Dong, Kun Yang, Fu-xiang Wang
KEY WORDS platelet glycoprotein GPIIb-IIIa complex; decorsin; drug design AIM: To build up the structure of human fibrinogen receptor GPIIb-IIIa, subsequently combined with its antagonist decorsin,...
TarFisDock: a web server for identifying drug targets with docking approach
Li, Honglin, Gao, Zhenting, Kang, Ling, Zhang, Hailei, Yang, Kun, Yu, Kunqian, ...
TarFisDock is a web-based tool for automating the procedure of searching for small molecule–protein interactions over a large repertoire of protein structures. It offers PDTD (potential drug target...
Novel STAT1 Alleles in Otherwise Healthy Patients with Mycobacterial Disease
Chapgier, Ariane, Boisson-Dupuis, Stéphanie, Jouanguy, Emmanuelle, Vogt, Guillaume, Feinberg, Jacqueline, Prochnicka-Chalufour, Ada, ...
The transcription factor signal transducer and activator of transcription-1 (STAT1) plays a key role in immunity against mycobacterial and viral infections. Here, we characterize three human STAT1...
Yang, Kun, Eyobo, Yvonne, Brand, Leisl A., Martynowski, Dariusz, Tomchick, Diana, Strauss, Erick, ...
Pantothenate kinase (PanK) catalyzes the first step in the five-step universal pathway of coenzyme A (CoA) biosynthesis, a key transformation that generally also regulates the intracellular...
TarFisDock: a web server for identifying drug targets with docking approach
Li, Honglin, Gao, Zhenting, Kang, Ling, Zhang, Hailei, Yang, Kun, Yu, Kunqian, ...
TarFisDock is a web-based tool for automating the procedure of searching for small molecule–protein interactions over a large repertoire of protein structures. It offers PDTD (potential drug target...
Yang, Kun, Eyobo, Yvonne, Brand, Leisl A., Martynowski, Dariusz, Tomchick, Diana, Strauss, Erick, ...
Pantothenate kinase (PanK) catalyzes the first step in the five-step universal pathway of coenzyme A (CoA) biosynthesis, a key transformation that generally also regulates the intracellular...
Novel STAT1 Alleles in Otherwise Healthy Patients with Mycobacterial Disease
Chapgier, Ariane, Boisson-Dupuis, Stéphanie, Jouanguy, Emmanuelle, Vogt, Guillaume, Feinberg, Jacqueline, Prochnicka-Chalufour, Ada, ...
The transcription factor signal transducer and activator of transcription-1 (STAT1) plays a key role in immunity against mycobacterial and viral infections. Here, we characterize three human STAT1...
Dynamic Simulations on the Arachidonic Acid Metabolic Network
Yang, Kun, Ma, Wenzhe, Liang, Huanhuan, Ouyang, Qi, Tang, Chao, Lai, Luhua
Drug molecules not only interact with specific targets, but also alter the state and function of the associated biological network. How to design drugs and evaluate their functions at the systems...
Ku, Cheng-Lung, Von Bernuth, Horst, Picard, Capucine, Zhang, Shen-Ying, Chang, Huey-Hsuan, Yang, Kun, ...
Human interleukin (IL) 1 receptor–associated kinase 4 (IRAK-4) deficiency is a recently discovered primary immunodeficiency that impairs Toll/IL-1R immunity, except for the Toll-like receptor (TLR)...
Wang, Xian-Hong, Zhou, Xiao-Nong, Vounatsou, Penelope, Chen, Zhao, Utzinger, Jürg, Yang, Kun, ...
Schistosomiasis is a serious public health problem in the People's Republic of China and elsewhere, and mapping of risk areas is important for guiding control interventions. Here, a 10-year...
Lv, Shan, Zhang, Yi, Liu, He-Xiang, Hu, Ling, Yang, Kun, Steinmann, Peter, ...
Eosinophilic meningitis is caused by the rat lungworm (Angiostrongylus cantonensis). This parasite is endemic in Southeast Asia, Australia, the Caribbean, and on Pacific Islands. Moreover, the...
Inhibitory effects of adenovirus mediated tandem expression of RhoA and RhoC shRNAs in HCT116 cells
Liu, Xiang-ping, Wang, Hai-bo, Yang, Kun, Sui, Ai-hua, Shi, Qiang, Qu, Shen
Finding multiple target optimal intervention in disease-related molecular network
Yang, Kun, Bai, Hongjun, Ouyang, Qi, Lai, Luhua, Tang, Chao
Drugs against multiple targets may overcome the many limitations of single targets and achieve a more effective and safer control of the disease. Numerous high-throughput experiments have been...
Cost-effectiveness analysis of chemotherapy for advanced gastric cancer in China
Chen, Xin-Zu, Jiang, Kun, Hu, Jian-Kun, Zhang, Bo, Gou, Hong-Feng, Yang, Kun, ...
AIM: To assess the economics of various chemotherapeutic regimens for advanced gastric cancer (AGC), and to select the best cost-effective regimen for the common Chinese patients.
Multipathogen infections in hospitalized children with acute respiratory infections
Peng, Dan, Zhao, Dongchi, Liu, Jingtao, Wang, Xia, Yang, Kun, Xicheng, Hong, ...
Effectiveness and safety of splenectomy for gastric carcinoma: A meta-analysis
Yang, Kun, Chen, Xin-Zu, Hu, Jian-Kun, Zhang, Bo, Chen, Zhi-Xin, Chen, Jia-Ping
AIM: To evaluate the impact of splenectomy on long-term survival, postoperative morbidity and mortality of patients with gastric cancer by performing a meta-analysis.