H. Cao

Publication List Details

Period

1003 - 2009

Number

38

Co-Authors

Magnetic order in Tb$_2$Sn$_2$O$_7$ under high pressure: from ordered spin ice to spin liquid and antiferromagnetic order (2009)

Mirebeau, I., Goncharenko, I., Cao, H., Forget, A.

We have studied the Tb$_2$Sn$_2$O$_7$ frustrated magnet by neutron diffraction under isotropic pressure of 4.6 GPa, combined with uniaxial pressure of 0.3 GPa, in the temperature range 0.06 K$

Ising versus XY anisotropy in frustrated R$_{2}$Ti$_{2}$O$_7$ compounds as seen by polarized neutrons (2009)

Cao, H., Gukasov, A., Mirebeau, I., Bonville, P., Decorse, C., Dhalenne, G.

We studied the field induced magnetic order in R$_{2}$Ti$_{2}$O$_7$ pyrochlore compounds with either uniaxial (R=Ho, Tb) or planar (R=Er, Yb) anisotropy, by polarized neutron diffraction. The...

Breakdown of the N=0 Quantum Hall State in graphene: two insulating regimes (2009)

Zhang, L., Camacho, J., Cao, H., Chen, Y. P., Khodas, M., Kharzeev, D., ...

We studied the unusual Quantum Hall Effect (QHE) near the charge neutrality point (CNP) in high-mobility graphene sample for magnetic fields up to 18 T. We observe breakdown of the delocalized QHE...

Chaotic Microcavity Laser with Low threshold and Unidirectional Output (2008)

Song, Q. H., Cao, H., Liu, B. Y., Ho, S. T., Fang, W., Solomon, G. S .

Here we report lasing action in lima\c{c}on-shaped GaAs microdisks with quantum dots (QDs) embedded. Although the intracavity ray dynamics is predominantly chaotic, high-$Q$ modes are concentrated in...

Near-IR Subwavelength Microdisk Lasers (2008)

Song, Q., Cao, H., Ho, S. T., Solomon, G. S.

We report single-mode lasing in subwavelength GaAs disks under optical pumping. The disks are fabricated by standard photolithography and two steps of wet chemical etching. The simple fabrication...

Field induced spin ice like orders in spin liquid Tb$_2$Ti$_2$O$_7$ (2008)

Cao, H., Gukasov, A., Mirebeau, I., Bonville, P., Dhalenne, G.

We have studied the field induced magnetic structures in the spin liquid Tb$_2$Ti$_2$O$_7$, in a wide temperature (0.3$

The influence of a single quantum dot state on the characteristics of a microdisk laser (2007)

Xie, Z. G., Götzinger, S., Fang, W., Cao, H., Solomon, G. S.

We report a quantum dot microcavity laser with a cw sub-microwatt lasing threshold, where a significant reduction of the lasing threshold is observed when a single quantum dot (QD) state is aligned...

Identification and analysis of functional elements in 1% of the human genome by the ENCODE pilot project (2007)

Birney, E, Stamatoyannopoulos, JA, Dutta, A, Guigo, R, Gingeras, TR, Margulies, EH, ...

We report the generation and analysis of functional data from multiple, diverse experiments performed on a targeted 1% of the human genomeas part of the pilot phase of the ENCODE Project. These data...

Reproducing kernel element method - Part III: Generalized enrichment and applications (2004)

Lu, H S, Li, S F, Simkins, D C, Liu, W K, Cao, H

In this part of the work, a notion of generalized enrichment is proposed to construct the global partition polynomials or to enrich global partition polynomial basis with extra terms corresponding to...

A line in the sand: A wireless sensor network for target detection, classification, and tracking (2004)

A. Arora, P. Dutta, S. Bapat, V. Kulathumani, H. Zhang, V. Naik, ...

Abstract. Intrusion detection is a surveillance problem of practical import that is well suited to wireless sensor networks. In this paper, we study the application of sensor networks to the...

A line in the sand: A wireless sensor network for target detection, classification, and tracking (2004)

A. Arora, P. Dutta, S. Bapat, V. Kulathumani, H. Zhang, V. Naik, ...

Abstract. Intrusion detection is a surveillance problem of practical import that is well suited to wireless sensor networks. In this paper, we study the application of sensor networks to the...

A Line in the Sand: A Wireless Sensor Network for Target Detection, Classification, and Tracking (2004)

A. Arora, P. Dutta, S. Bapat, V. Kulathumani, H. Zhang, V. Naik, ...

Intrusion detection is a surveillance problem of practical import that is well suited to wireless sensor networks. In this paper, we study the application of sensor networks to the intrusion...

A line in the sand: A wireless sensor network for target detection, classification, and tracking (2004)

A. Arora, P. Dutta, S. Bapat, V. Kulathumani, H. Zhang, V. Naik, ...

Abstract. Intrusion detection is a surveillance problem of practical import that is well suited to wireless sensor networks. In this paper, we study the application of sensor networks to the...

Superconducting properties of MgB2 wires and tapes with different metal sheaths (2003)

Feng, Y, Yan, G, Liu, C, Fu, B, Zhou, L, ...

We have successfully fabricated mono- and multifilamentary MgB2 wires and tapes with different sheathed metals such as Cu, Ta, NbZr and Fe by the powder-in-tube method. The phase compositions,...

Management of dynamic location information in domino (2002)

O. Wolfson, H. Cao, H. Lin, G. Trajcevski, F. Zhang, N. Rishe

Consider a database that represents information about moving objects and their location. For example, for a database representing the location of taxi-cabs a typical query may be: retrieve the free...

Probing intermediate process and active intermediate by positronium (1993)

Wang, Y., Cao, H., Guo, Y.

A synthesis reaction of catalyst, olefin complex of rhodium,was chosen to explore the feasibility of probing active intermediate and intermediate process by positronium : 2RhCl33H2O + 6C2H4 →...

Probing intermediate process and active intermediate by positronium (1993)

Wang, Y., Cao, H., Guo, Y.

A synthesis reaction of catalyst, olefin complex of rhodium,was chosen to explore the feasibility of probing active intermediate and intermediate process by positronium : 2RhCl33H2O + 6C2H4 →...

Properties of Diffraction Gratings Used as Output Couplers in a Quasi-Optical Gyrotron (1993)

Tran, M. Q., Cao, H., Hogge, J. P., Kasparek, W., Tran, T. M., Paris, P. J.

The design of a diffration grating used as an output coupler for a Fabry-Perot resonator is presented. We then consider the problem of determining the distortion and the cross-polarization of the...

Selective inhibition of the carotid body sensory response to hypoxia by the substance P receptor antagonist CP-96,345. (1993)

Prabhakar, N R, Cao, H, Lowe, J A, Snider, R M

Carotid bodies are sensory organs for monitoring arterial oxygen and CO2. Previous studies have shown that chemoreceptor tissue contains substance P (SP) and exogenously administered SP augments...

Added entries UNIVERSITY OF NEWCASTLE UPON TYNE (1005)

S. Gilroy, P. Olivier, H. Cao, D. Jackson, C. Kray, D. Lin, ...

Crossmodal displays aim to bridge the gap between ambient display technology and personal mobile human computer interaction through the exploitation of aspects of crossmodal cognition. We extend the...

Added entries UNIVERSITY OF NEWCASTLE UPON TYNE (1004)

H. Cao, P. Olivier, D. Jackson, A. Armstrong, Han Cao, Patrick Olivier, ...

We describe a crossmodal ambient display framework with which we aim to bridge the gap between ambient display technology and personal mobile HCI through the exploitation of aspects of crossmodal...

Added entries (1003)

H. Cao, P. Olivier, D. Jackson, A. Armstrong, L. Huang, Han Cao, ...

The selection of appropriate display technology and interaction techniques relies upon an understanding of the public-private nature of information and the spaces from which it is accessed. We...

Peripheral CD4 loss of regulatory T cells is associated with persistent viraemia in chronic HIV infection

Baker, C A R, Clark, R, Ventura, F, Jones, N G, Guzman, D, Bangsberg, D R, ...

Chronic HIV infection is associated with T cell abnormalities and altered effector function. Regulatory T cells (Treg) are CD4+ T cells that play a critical role in regulating the immune system. The...

The Dynamics of International Equity Market Expectations

Michael Brennan, H. Cao, Norman Strong, Xinzhong Xu

This paper uses a noisy rational expectations model to derive predictions about the dynamic behaviour of the proportion of institutional money managers in a given country who are bullish about the...

Imperfect Competition in Noncompetitive Securities Markets with Diversely Informed Traders

H. Cao

We show that the infinite regression problem in models with differentially informed traders can be solved using a fixed point method, which we can use to derive the dynamic equilibrium in a...