Multiphase Bidirectional Flyback Converter Topology for Hybrid Electric Vehicles (2009)
Bhattacharya, Tanmoy, Giri, V Shriganesh, Mathew, K, Umanand, L
For hybrid electric vehicles, the batteries and the drive dc link may be at different voltages. The batteries are at low voltage to obtain higher volumetric efficiencies, and the dc link is at higher...
Quantum And Classical Dynamics Of Atoms In A Magneto-optical Lattice (2008)
Shohini Ghose, Paul M. Alsing, Ivan H. Deutsch, Poul Jessen, D. L. Haycock, Tanmoy Bhattacharya, ...
Abstract. The transport of ultra-cold atoms in magneto-optical potentials provides a clean setting in which to investigate the distinct predictions of classical versus quantum dynamics for a system...
Web-based design and evaluation of T-cell vaccine candidates (2008)
Thurmond, James, Yoon, Hyejin, Kuiken, Carla, Yusim, Karina, Perkins, Simon, Theiler, James, ...
Summary: We present a suite of on-line tools to design candidate vaccine proteins, and to assess antigen potential, using coverage of k-mers (as proxies for potential T-cell epitopes) as a metric....
In search of the vague `One' (2007)
this paper I propose that the syntactic/ semantic difference between all and other non-all Qs (NAQ) -- independently proposed in the literature (Shlonsky 1991, Giusti 1997) -- can be clearly...
Feature-percolation, Pied Piping and Transparency (2007)
Tanmoy Bhattacharya, Andrew Simpson, Tanmoy Bhattacharya (ucl, Andrew Simpson (soas
this paper is to show that the SHPC is in fact not a universallyobeyed constraint and that there are clear instances of wh-movement in S. Asian languages where wh-feature-percolation interestingly...
Weak deixis and possession inside the DP (2007)
this paper we show that DP-internal deixis is accounted for by a condition which requires both the head and the specifier of a particular functional XP to be filled. Absence of deixis (or...
Numeral/Quantifier-Classifier as a complex head (2007)
Tanmoy Bhattacharya, Tanmoy Bhattacharya
This paper claims that the complex consisting of the quantifier or the numeral in combination with the classifier in the Eastern Indo-Aryan language Bangla (Bengali)
The Subjunctive in Bangla (2007)
This paper provides syntactic evidence of subjunctive mood distinction in Bangla (Bengali). However, I argue against long-distance licensing of the subjunctive of Manzini (1994) on the basis of...
wo Dravidian dialects Malto and Oraon (or Kurukh) to the West; a number of dialects belonging to six different groups of the Tibeto-Burman branch of the Tibeto-Chinese family to the North and East...
Comment on "Gravitationally Induced Neutrino-Oscillation Phases" (2007)
Tanmoy Bhattacharya, Salman Habib, Emil Mottola
We critically examine the recent claim of a "new effect" of gravitationally induced quantum mechanical phases in neutrino oscillations. A straightforward exercise in the Schwarzschild...
Theories and Phenomenology (2007)
Tanmoy Bhattacharya, Broken N= Supergravity, Name Of C, Itate Tanmoy Bhattacharya
Statements required under ordinanaces O.770 and O.771 of the University of Bombay: 1. The work presented in this thesis describes lower limit on the ratio of the mass of the gravitino to other masses...
Zabrina L. Brumme, Chanson J. Brumme, David Heckerman, Bette T. Korber, Marcus Daniels, Jonathan Carlson, ...
Zabrina L. Brumme, Chanson J. Brumme, David Heckerman, Bette T. Korber, Marcus Daniels, Jonathan Carlson, ...
Despite the formidable mutational capacity and sequence diversity of HIV-1, evidence suggests that viral evolution in response to specific selective pressures follows generally predictable mutational...
Feedback cooling of atomic motion in cavity QED (2006)
Steck, Daniel A., Jacobs, Kurt, Mabuchi, Hideo, Habib, Salman, Bhattacharya, Tanmoy
We consider the problem of controlling the motion of an atom trapped in an optical cavity using continuous feedback. In order to realize such a scheme experimentally, one must be able to perform...
Chiral Lattice Gauge Theories from Warped Domain Walls and Ginsparg-Wilson Fermions (2006)
Bhattacharya, Tanmoy, Martin, Matthew R., Poppitz, Erich
We propose a construction of a 2-dimensional lattice chiral gauge theory. The construction may be viewed as a particular limit of an infinite warped 3-dimensional theory. We also present a...
Feedback cooling of atomic motion in cavity QED (2006)
Steck, Daniel A., Jacobs, Kurt Aaron, Mabuchi, Hideo, Habib, Salman, Bhattacharya, Tanmoy
Yes
Feedback cooling of atomic motion in cavity QED (2006)
Steck, Daniel A., Jacobs, Kurt Aaron, Mabuchi, Hideo, Habib, Salman, Bhattacharya, Tanmoy
Yes
Feedback cooling of atomic motion in cavity QED (2006)
Steck, Daniel A., Jacobs, Kurt Aaron, Mabuchi, Hideo, Habib, Salman, Bhattacharya, Tanmoy
Feedback cooling of atomic motion in cavity QED (2006)
Steck, Daniel A., Jacobs, Kurt Aaron, Mabuchi, Hideo, Habib, Salman, Bhattacharya, Tanmoy
Improved bilinears in lattice QCD with non-degenerate quarks (2005)
Bhattacharya, Tanmoy, Gupta, Rajan, Lee, Weonjong, Sharpe, Stephen R., Wu, Jackson M. S.
We describe the extension of the improvement program for bilinear operators composed of Wilson fermions to non-degenerate dynamical quarks. We consider two, three and four flavors, and both flavor...
Towards a chiral gauge theory by deconstruction in AdS5 (2005)
Bhattacharya, Tanmoy, Gupta, Rajan, Martin, Matthew R., Shirman, Yuri, Csaki, Csaba, Terning, John
We describe an implementation of a deconstructed gauge theory with charged fermions defined on an interval in five dimensional AdS space. The four dimensional slices are Minkowski, and the end slices...
Scaling behavior of discretization errors in renormalization and improvement constants (2005)
Bhattacharya, Tanmoy, Gupta, Rajan, Lee, Weonjong, Sharpe, Stephen R.
Non-perturbative results for improvement and renormalization constants needed for on-shell and off-shell O(a) improvement of bilinear operators composed of Wilson fermions are presented. The...
Feedback cooling of atomic motion in cavity QED (2005)
Steck, Daniel A., Jacobs, Kurt, Mabuchi, Hideo, Habib, Salman, Bhattacharya, Tanmoy
We consider the problem of controlling the motion of an atom trapped in an optical cavity using continuous feedback. In order to realize such a scheme experimentally, one must be able to perform...
Chaos and Quantum Mechanics (2005)
Habib, Salman, Bhattacharya, Tanmoy, Greenbaum, Benjamin, Jacobs, Kurt, Shizume, Kosuke, Sundaram, Bala
The relationship between chaos and quantum mechanics has been somewhat uneasy -- even stormy, in the minds of some people. However, much of the confusion may stem from inappropriate comparisons using...
Nonlinear Quantum Dynamics (2005)
Habib, Salman, Bhattacharya, Tanmoy, Doherty, Andrew, Greenbaum, Benjamin, Hopkins, Asa, Jacobs, Kurt, ...
The vast majority of the literature dealing with quantum dynamics is concerned with linear evolution of the wave function or the density matrix. A complete dynamical description requires a full...
Warped Domain Wall Fermions (2005)
Bhattacharya, Tanmoy, Csaki, Csaba, Martin, Matthew R., Shirman, Yuri, Terning, John
We consider Kaplan's domain wall fermions in the presence of an Anti-de Sitter (AdS) background in the extra dimension. Just as in the flat space case, in a completely vector-like gauge theory...
Calculating $\epsilon'/\epsilon$ using HYP staggered fermions (2004)
Bhattacharya, Tanmoy, Fleming, George T., Gupta, Rajan, Kilcup, Greg, Lee, Weonjong, Sharpe, Stephen
We present preliminary results for $\epsilon'/\epsilon$ calculated using HYP staggered fermions in the quenched approximation. We compare different choices of quenched penguin operators.
Testing improved staggered fermions with $m_s$ and $B_K$ (2004)
Lee, Weonjong, Bhattacharya, Tanmoy, Fleming, George T., Gupta, Rajan, Kilcup, Gregory, Sharpe, Stephen R.
We study the improvement of staggered fermions using hypercubically smeared (HYP) links. We calculate the strange quark mass and the kaon B-parameter, $B_K$, in quenched QCD on a $16^3 \times 64$...
The Emergence of Classical Dynamics in a Quantum World (2004)
Bhattacharya, Tanmoy, Habib, Salman, Jacobs, Kurt
Ever since the advent of quantum mechanics, it has been clear that the atoms composing matter do not obey Newton's laws. Instead, their behavior is described by the Schroedinger equation....
Quantum feedback control of atomic motion in an optical cavity (2004)
Steck, Daniel A., Jacobs, Kurt, Mabuchi, Hideo, Bhattacharya, Tanmoy, Habib, Salman
We study quantum feedback cooling of atomic motion in an optical cavity. We design a feedback algorithm that can cool the atom to the ground state of the optical potential with high efficiency...
Quantum Feedback Control of Atomic Motion in an Optical Cavity (2004)
Steck, Daniel A., Jacobs, Kurt Aaron, Mabuchi, Hideo, Bhattacharya, Tanmoy, Habib, Salman
We study quantum feedback cooling of atomic motion in an optical cavity. We design a feedback algorithm that can cool the atom to the ground state of the optical potential with high efficiency...
Quantum Feedback Control of Atomic Motion in an Optical Cavity (2004)
Steck, Daniel A., Jacobs, Kurt Aaron, Mabuchi, Hideo, Bhattacharya, Tanmoy, Habib, Salman
We study quantum feedback cooling of atomic motion in an optical cavity. We design a feedback algorithm that can cool the atom to the ground state of the optical potential with high efficiency...
Quantum Feedback Control of Atomic Motion in an Optical Cavity (2004)
Steck, Daniel A., Jacobs, Kurt Aaron, Mabuchi, Hideo, Bhattacharya, Tanmoy, Habib, Salman
We study quantum feedback cooling of atomic motion in an optical cavity. We design a feedback algorithm that can cool the atom to the ground state of the optical potential with high efficiency...
Quantum Feedback Control of Atomic Motion in an Optical Cavity (2004)
Steck, Daniel A., Jacobs, Kurt Aaron, Mabuchi, Hideo, Bhattacharya, Tanmoy, Habib, Salman
We study quantum feedback cooling of atomic motion in an optical cavity. We design a feedback algorithm that can cool the atom to the ground state of the optical potential with high efficiency...
Quantum Feedback Control of Atomic Motion in an Optical Cavity (2003)
Steck, Daniel A., Jacobs, Kurt, Mabuchi, Hideo, Bhattacharya, Tanmoy, Habib, Salman
We study quantum feedback cooling of atomic motion in an optical cavity as a prototypical nonlinear quantum control problem. We design a feedback algorithm that can cool the atom to the ground state...
Improved bilinears in unquenched lattice QCD (2003)
Bhattacharya, Tanmoy, Gupta, Rajan, Lee, Weonjong, Sharpe, Stephen R., Wu, Jackson M. S.
We summarize the extent to which one can use Ward identities to non-perturbatively improve flavor singlet and non-singlet bilinears with three flavors of non-degenerate dynamical Wilson-like fermions.
The transition to classical chaos in a coupled quantum system through continuous measurement (2003)
Ghose, Shohini, Alsing, Paul, Deutsch, Ivan, Bhattacharya, Tanmoy, Habib, Salman, Jacobs, Kurt
Continuous observation of a quantum system yields a measurement record that faithfully reproduces the classically predicted trajectory provided that the measurement is sufficiently strong to localize...
Obligatory Overt Wh -Movement in a Wh -in-Situ Language (2003)
Linguistic Inquiry - Volume 34, Number 1, Winter 2003
Continuous Quantum Measurement and the Quantum to Classical Transition (2002)
Bhattacharya, Tanmoy, Habib, Salman, Jacobs, Kurt
While ultimately they are described by quantum mechanics, macroscopic mechanical systems are nevertheless observed to follow the trajectories predicted by classical mechanics. Hence, in the regime...
Quantum And Classical Dynamics Of Atoms In A Magneto-optical Lattice (2002)
Ghose, Shohini, Alsing, Paul M., Deutsch, Ivan H., Jessen, Poul S., Haycock, David L., Bhattacharya, Tanmoy, ...
The transport of ultra-cold atoms in magneto-optical potentials provides a clean setting in which to investigate the distinct predictions of classical versus quantum dynamics for a system with...
Recovering classical dynamics from coupled quantum systems through continuous measurement (2002)
Ghose, Shohini, Alsing, Paul M., Deutsch, Ivan H., Bhattacharya, Tanmoy, Habib, Salman, Jacobs, Kurt
We study the role of continuous measurement in the quantum to classical transition for a system with coupled internal (spin) and external (motional) degrees of freedom. Even when the measured...
Renormalization constants using quark states in Landau gauge (2001)
Bhattacharya, Tanmoy, Gupta, Rajan, Lee, Weonjong
We show that given one O(a) improvement constant, b_m, all the remaining quantities needed to define the renormalized and O(a) improved dimension-3 quark bilinears can be obtained by studying the...
Scaling behavior of improvement and renormalization constants (2001)
Bhattacharya, Tanmoy, Gupta, Rajan, Lee, Weonjong, Sharpe, Stephen
This talk summarizes results for all the scale independent renormalization constants for bilinear currents ($Z_A$, $Z_V$, and $Z_S/Z_P$), the improvement constants ($c_A$, $c_V$, and $c_T$), the...
Yusim, Karina, Peters, Martine, Pybus, Oliver, Bhattacharya, Tanmoy, Delaporte, Eric, Mulanaga, Claire, ...
In earlier work, human immunodeficiency virus type 1 (HIV-1) sequences were analysed to estimate the timing of the ancestral sequence of the main group of HIV-1, the virus that is responsible for the...
Renormalization Constants using Quark States in Fixed Gauge (2001)
Bhattacharya, Tanmoy, Gupta, Rajan, Lee, Weonjong
We present a status report on our calculation of the renormalization constants for the quark bilinears in quenched (O(a)) improved Wilson theory at (beta=6.4) using quark states in Landau gauge.
The delta-function-kicked rotor: Momentum diffusion and the quantum-classical boundary (2001)
Bhattacharya, Tanmoy, Habib, Salman, Jacobs, Kurt, Shizume, Kosuke
We investigate the quantum-classical transition in the delta-kicked rotor and the attainment of the classical limit in terms of measurement-induced state-localization. It is possible to study the...
Improvement and Renormalization Constants in O(a) Improved Lattice QCD (2001)
Bhattacharya, Tanmoy, Gupta, Rajan, Lee, Weonjong, Sharpe, Stephen
We present results at beta=6.0 and 6.2 for the O(a) improvement and renormalization constants for bilinear operators using axial and vector Ward identities. We discuss the extraction of the mass...
Order a improved renormalization constants (2000)
Bhattacharya, Tanmoy, Gupta, Rajan, Lee, Weonjong, Sharpe, Stephen
We present non-perturbative results for the constants needed for on-shell $O(a)$ improvement of bilinear operators composed of Wilson fermions. We work at $\beta=6.0$ and 6.2 in the quenched...
Wh Clausal Pied Piping in Bangla (2000)
Andrew Simpson, Tanmoy Bhattacharya
This paper sets out to show that what has previously been thought to be a wh in situ language in fact has obligatory overt wh-movement, and then attempts to explain why this property has been missed...
Fixed-point pure gauge action using $ b= \sqrt{3} $ RGT (1999)
Bhattacharya, Tanmoy, Gupta, Rajan, Lee, Weonjong
We present a status report on the construction of the classical perfect action using the $ b=\sqrt{3} $ renormalization group transformation (RGT). We investigate finite volume corrections and map...
Continuous Quantum Measurement and the Emergence of Classical Chaos (1999)
Bhattacharya, Tanmoy, Habib, Salman, Jacobs, Kurt
We formulate the conditions under which the dynamics of a continuously measured quantum system becomes indistinguishable from that of the corresponding classical system. In particular, we demonstrate...
Non-perturbative Renormalization Constants using Ward Identities (1999)
Bhattacharya, Tanmoy, Chandrasekharan, Shailesh, Gupta, Rajan, Lee, Weonjong, Sharpe, Stephen
We extend the application of axial Ward identities to calculate $b_A, b_P$ and $b_T$, coefficients that give the mass dependence of the renormalization constants of the corresponding bilinear...
$f_B$ and $f_{B_s}$ using NRQCD (1998)
This talk summarizes the quenched calculation of $f_B$ and $f_{B_s}$ presented in hep-lat/9801038. The heavy quark is simulated using an $O(1/M^2)$ improved NRQCD action, and the tadpole improved...
DP-Internal NP Movement (1998)
In this paper I show that there are clause-like NP-movements within the DP. There have been various proposals for N-movement within the DP (Bernstein 1993, Longobardi 1994 etc.) but none concerning...
Advances in the Determination of Quark Masses (1997)
Bhattacharya, Tanmoy, Gupta, Rajan
Significant progress has been made in the determination of the light quark masses, using both lattice QCD and sum rule methods, in the last year. We discuss the different methods and review the...
Bhattacharya, Tanmoy, Gupta, Rajan, Maltman, Kim
We re-examine the use of sum rules in the extraction of light quark masses and discuss a number of potential problems with existing analyses. The most important issue is that of the overall...
Matrix Elements of 4-fermion Operators with Quenched Wilson Fermions (1996)
Gupta, Rajan, Bhattacharya, Tanmoy, Sharpe, Stephen
We presents results for the matrix elements of a variety of four-fermion operators calculated using quenched Wilson fermions. Our simulations are done on 170 lattices of size $32^3 x 64$ at $\beta =...
Comment on "Gravitationally Induced Neutrino-Oscillation Phases" (1996)
Bhattacharya, Tanmoy, Habib, Salman, Mottola, Emil
We critically examine the recent claim (gr-qc/9603008) of a ``new effect'' of gravitationally induced quantum mechanical phases in neutrino oscillations. A straightforward exercise in the...
Light Quark Masses from Lattice QCD (1996)
Gupta, Rajan, Bhattacharya, Tanmoy
We present estimates of the masses of light quarks using lattice data. Our main results are based on a global analysis of all the published data for Wilson, Sheikholeslami-Wohlert (clover), and...
Comparison of Inversion Algorithms for Wilson Fermions on the CM5 (1996)
Gupta, Rajan, Bhattacharya, Tanmoy, Kilcup, Gregory
This talk presents results of a comparitive study of iterative algorithms like minimal residue ($MR$) and conjugate gradient ($CG$, $BiCG\gamma_5$, and \bicgstab) used for inverting the Dirac matrix...
Name of canditate � Tanmoy Bhattacharya (1996)
Tanmoy Bhattacharya, Name Prof, Probir Roy
search � Bombay. Number and date of registration � TIFR�101 � dated 19 June � 1986 Statements required under ordinanaces O.770 and O.771 of the University of Bombay� 1. The work presented...
Hadron Spectrum with Wilson fermions (1995)
Bhattacharya, Tanmoy, Gupta, Rajan, Kilcup, Gregory, Sharpe, Stephen
We present results of a high statistics study of the quenched spectrum using Wilson fermions at $\beta=6.0$ on $32^3 \times 64$ lattices. We calculate the masses of mesons and baryons composed of...
Testing the chiral behavior of the hadron spectrum (1995)
Bhattacharya, Tanmoy, Gupta, Rajan, Sharpe, Stephen
We analyze the chiral behavior of the hadron spectrum obtained with quenched Wilson fermions on 170 $32^3 \times 64$ lattices at $\beta = 6.0$. We calculate masses of hadrons composed of both...
Status Report on Weak Matrix Element Calculations (1995)
Gupta, Rajan, Bhattacharya, Tanmoy
This talk presents results of weak matrix elements calculated from simulations done on 170 $32^3 \times 64$ lattices at $\beta = 6.0$ using quenched Wilson fermions. We discuss the extraction of...
Lattice analysis of semi-leptonic form factors (1995)
Bhattacharya, Tanmoy, Gupta, Rajan
We present preliminary results from simulations done on 170 $32^3 \times 64$ lattices at $\beta = 6.0$ using quenched Wilson fermions. This talk focuses on the $Q^2$ behavior of the form-factors,...
Decay constants with Wilson fermions at $\beta=6.0$ (1995)
Bhattacharya, Tanmoy, Gupta, Rajan
We present results of a high statistics study of $f_\pi$, $f_K$, $f_D$, $f_{D_s}$, and $f_V^{-1}$ in the quenched approximation using Wilson fermions at $\beta=6.0$ on $32^3 \times 64$ lattices. We...
Phenomenology from 100 large lattices (1995)
Bhattacharya, Tanmoy, Gupta, Rajan
We present a status report on simulations being done on $32^3 \times 64$ lattices at $\beta = 6.0$ using quenched Wilson fermions. Phenomenologically relevant results for the spectrum, decay...
Semi-leptonic form-factors from lattice qcd (1994)
Bhattacharya, Tanmoy, Gupta, Rajan
We present results for semi-leptonic form-factors obtained on a statistical sample of $66$ $32^3 \times 64$ lattices at $\beta = 6.0$ using quenched Wilson fermions. We find $f_+^{D \to K l \nu}(q^2...
A pot-pourri of results in QCD from large lattice simulations on the CM5 (1993)
Bhattacharya, Tanmoy, Gupta, Rajan
We present a status report on simulations being done on $32^3 \times 64$ lattices at $\beta = 6.0$ using quenched Wilson fermions. Results for the spectrum, decay constants, the kaon B-parameter...
Semileptonic form factors of heavy-light mesons from lattice QCD (1993)
Gupta, Rajan, Bhattacharya, Tanmoy, Daniel, David
The form factors for the semileptonic decays of heavy-light pseudoscalar mesons of the type $D \to Ke\nu$ are studied in quenched lattice QCD at $\beta=6.0$ using Wilson fermions. We explore new...
Brumme, Zabrina L, Brumme, Chanson J, Heckerman, David, Korber, Bette T, Daniels, Marcus, Carlson, Jonathan, ...
Despite the formidable mutational capacity and sequence diversity of HIV-1, evidence suggests that viral evolution in response to specific selective pressures follows generally predictable mutational...
Brumme, Zabrina L, Brumme, Chanson J, Heckerman, David, Korber, Bette T, Daniels, Marcus, Carlson, Jonathan, ...
Rousseau, Christine M., Learn, Gerald H., Bhattacharya, Tanmoy, Nickle, David C., Heckerman, David, Chetty, Senica, ...
Recombinant human immunodeficiency virus type 1 (HIV-1) strains containing sequences from different viral genetic subtypes (intersubtype) and different lineages from within the same subtype...
Gnanakaran, S., Lang, Dorothy, Daniels, Marcus, Bhattacharya, Tanmoy, Derdeyn, Cynthia A., Korber, Bette
Current knowledge of human immunodeficiency virus type 1 envelope (Env) glycoprotein structure and function is based on studies of clade B viruses. We present evidence of sequence and structural...
Rousseau, Christine M., Daniels, Marcus G., Carlson, Jonathan M., Kadie, Carl, Crawford, Hayley, Prendergast, Andrew, ...
Human immunodeficiency virus type 1 (HIV-1) mutations that confer escape from cytotoxic T-lymphocyte (CTL) recognition can sometimes result in lower viral fitness. These mutations can then revert...
Keele, Brandon F., Giorgi, Elena E., Salazar-Gonzalez, Jesus F., Decker, Julie M., Pham, Kimmy T., Salazar, Maria G., ...
The precise identification of the HIV-1 envelope glycoprotein (Env) responsible for productive clinical infection could be instrumental in elucidating the molecular basis of HIV-1 transmission and in...
this paper I show that in Bangla (Bengali) the unmarked word order inside the DP involving kinship nouns constitutes a clause-like NP-movement inside the DP.
Wood, Natasha, Bhattacharya, Tanmoy, Keele, Brandon F., Giorgi, Elena, Liu, Michael, Gaschen, Brian, ...
The pattern of viral diversification in newly infected individuals provides information about the host environment and immune responses typically experienced by the newly transmitted virus. For...
Keele, Brandon F., Li, Hui, Learn, Gerald H., Hraber, Peter, Giorgi, Elena E., Grayson, Truman, ...
We recently developed a novel strategy to identify transmitted HIV-1 genomes in acutely infected humans using single-genome amplification and a model of random virus evolution. Here, we used this...