A. Sen

Publication List Details

Period

1979 - 9999

Number

129

Co-Authors

On System Diagnosis with Multivalued Test Outcomes, (9999)

Gupta,A. S., Sen,A.

The problem of diagnosis of systems when the test outcomes are multivalued was considered earlier. However, a too strong sufficient condition was specified there for the diagnosability of such a...

Dromion solutions for nonlinear electron acoustic waves in space plasmas (2008)

Ghosh, S. S., Sen, A., Lakhina, G. S.

Recent high resolution measurements of POLAR and FAST satellites have revealed two-dimensional coherent structures in the polar cap boundary layer (PCBL) region. Since the ion temperature is often...

Dromion solutions for nonlinear electron acoustic waves in space plasmas (2008)

Ghosh, S. S., Sen, A., Lakhina, G. S.

Recent high resolution measurements of POLAR and FAST satellites have revealed two-dimensional coherent structures in the polar cap boundary layer (PCBL) region. Since the ion temperature is often...

Experimental study of nonlinear dust acoustic solitary waves in a dusty plasma (2008)

Bandyopadhyay, P., Prasad, G., Sen, A., Kaw, P. K.

The excitation and propagation of finite amplitude low frequency solitary waves are investigated in an Argon plasma impregnated with kaolin dust particles. A nonlinear longitudinal dust acoustic...

Driven transverse shear waves in a strongly coupled dusty plasma (2008)

Bandyopadhyay, P., Prasad, G., Sen, A., Kaw, P. K.

The linear dispersion properties of transverse shear waves in a strongly coupled dusty plasma are experimentally studied by exciting them in a controlled manner with a variable frequency external...

Quantum well states in Fe/Nb(001) multilayers: First principles study (2007)

Shukla, Nitya Nath, Sen, A., Prasad, R.

We present a first-principles study to understand the phenomena of interlayer exchange coupling in Fe/Nb multilayers using the linearized-muffin-tin-orbitals method within the generalized gradient...

Ferromagnetism in nanoscale BiFeO3 (2007)

Mazumder, R., Devi, P. Sujatha, Bhattacharya, Dipten, Choudhury, P., Sen, A., Raja, M.

A remarkably high saturation magnetization of ~0.4mu_B/Fe along with room temperature ferromagnetic hysteresis loop has been observed in nanoscale (4-40 nm) multiferroic BiFeO_3 which in bulk form...

Particle size dependence of magnetization and phase transition near T_N in multiferroic BiFeO3 (2006)

Mazumder, R., Ghosh, S., Mondal, P., Bhattacharya, Dipten, Dasgupta, S., Das, N., ...

We report results of a comprehensive study of the phase transition at T_N (~643 K) as a function of particle size in multiferroic BiFeO3 system. We employed electrical, thermal, and temperature...

An Analytical Approach on Non-parametric Estimation of Cure Rate Based on Uncensored Data (2006)

M. Taj Uddin, A. Sen, M.S. Noor, M.N. Islam, Z.I. Chowdhury

This study deals with the analysis of non parametric estimation of Cure rate parameter. Frailty models have been proposed for cure rate estimation. In this research we have tried to estimate the cure...

The On-Orbit Performance of the Galaxy Evolution Explorer (2005)

Morrissey, P., Schiminovich, D., Barlow, T. A., Martin, D. C., Blakkolb, B., Conrow, T., ...

We report the first year on-orbit performance results for the Galaxy Evolution Explorer (GALEX), a NASA Small Explorer that is performing a survey of the sky in two ultraviolet bands. The instrument...

Collective dynamics in crystalline polymorphs of ZnCl$_{2}$: potential modelling and inelastic neutron scattering study (2005)

Sen, A., Rao, Mala N., Mittal, R, Chaplot, S. L.

We report a phonon density of states measurement of $\alpha$-ZnCl$_{2}$ using the coherent inelastic neutron scattering technique and a lattice dynamical calculation in four crystalline phases of...

Lattice vibrations in high-pressure phases of LiYF$_{4}$ (2005)

Sen, A., Chaplot, S. L., Mittal, R.

Possible variations in the dynamical behaviour of LiYF$_{4}$ due to its several structural changes under pressure are examined by making use of the complementary techniques of quasi-harmonic lattice...

Technological Challenges of Making PZT Based Piezoelectric Wafers (2005)

Sen, A, Seal, A, Das, N, Mazumder, R, Maiti, H S

Copyright for the published paper belongs to the proceedings publisher

Distinct types of glial cells populate the Drosophila antenna (2005)

Sen, A., Shetty, C., Jhaveri, D., Rodrigues, V.

Background: The development of nervous systems involves reciprocal interactions between neurons and glia. In the Drosophila olfactory system, peripheral glial cells arise from sensory lineages...

The On-Orbit Performance of the Galaxy Evolution Explorer (2004)

Morrissey, P., Schiminovich, D., Barlow, T. A., Martin, D. C., Blakkolb, B., Conrow, T., ...

We report the first year on-orbit performance results for the Galaxy Evolution Explorer (GALEX), a NASA Small Explorer that is performing a survey of the sky in two ultraviolet bands. The instrument...

Association Reactions at Low Pressure: 5. The CH3+/HCN System. A Final Word? (2004)

Anicich, V., Sen, A., Huntress, W., McEwan, M.

The reaction of the methyl cation with hydrogen cyanide is revisited. We have confidence that we have resolved a long standing apparent contradiction of experimental results. A literature history is...

High Precision Piezoelectric Linear Motors for Operations at Cryogenic Temperatures and Vacuum (2004)

Wong, D., Carman, G., Stam, M., Bar-Cohen, Y., Sen, A., Henry, P., ...

The use of an electromechanical device for optically positioning a mirror system during the pre-project phase of the Pluto Fast Flyby mission was evaluated at JPL. The device under consideration was...

High Precision Piezoelectric Linear Motors for Operations at Cryogenic Temperatures and Vacuum (2004)

Wong, D., Carman, G., Stam, M., Bar-Cohen, Y., Sen, A., Henry, P., ...

The Jet Propulsion Laboratory evaluated the use of an electromechanical device for optically positioning a mirror system during the pre-project phase of the Pluto-Fast-Flyby (PFF) mission. The device...

Vibrational and thermodynamic properties of high-pressure phases in LiYF_4 (2004)

Sen, A., Chaplot, S. L., Mittal, R.

Possible variations in the dynamical behaviour of LiYF$_{4}$ due to its structural changes following several pressure-induced phase transitions are examined by making use of the complementary...

The On-Orbit Performance of the Galaxy Evolution Explorer (2004)

Morrissey, P., Schiminovich, D., Barlow, T. A., Martin, D. C., Blakkolb, B., Conrow, T., ...

We report the first year on-orbit performance results for the Galaxy Evolution Explorer (GALEX), a NASA Small Explorer that is performing a survey of the sky in two ultraviolet bands. The instrument...

The On-Orbit Performance of the Galaxy Evolution Explorer (2004)

Morrissey, P., Schiminovich, D., Barlow, T. A., Martin, D. C., Blakkolb, B., Conrow, T., ...

We report the first year on-orbit performance results for the Galaxy Evolution Explorer (GALEX), a NASA Small Explorer that is performing a survey of the sky in two ultraviolet bands. The instrument...

Positioning sensory terminals in the olfactory lobe of Drosophila by Robo signaling (2004)

Jhaveri, D, Saharan, S, Sen, A, Rodrigues, V

Olfactory receptor neurons and the interneurons of the olfactory lobe are organized in distinct units called glomeruli. We have used expression patterns and genetic analysis to demonstrate that a...

Incentive Compatibility in Multi-Unit Auctions (2003)

Bikhchandani, S., Chatterjee, S., Sen, A.

We characterize incentive compatibility in multi-unit auctions with multi-dimensional types. An allocation mechanism is incentive compatible if and only if it is nondecreasing in marginal utilities...

Driven response of time delay coupled limit cycle oscillators (2002)

Reddy, D. V. Ramana, Sen, A., Johnston, G. L.

We study the periodic forced response of a system of two limit cycle oscillators that interact with each other via a time delayed coupling. Detailed bifurcation diagrams in the parameter space of the...

Dromion solutions for nonlinear electron acoustic waves in space plasmas (2002)

S. S. Ghosh, A. Sen, G. S. Lakhina

Recent high resolution measurements of POLAR and FAST satellites have revealed two-dimensional coherent structures in the polar cap boundary layer (PCBL) region. Since the ion temperature is often...

The Effect of Plasticizer on the Piezoelectric Properties of Unoriented Polyvinylidene Fluoride Films. (2002)

Newman,B. A., Sen,A., Scheinbeim,J. I.

The effect of plasticizer content on the piezoelectric response of unoriented polyvinylidene fluoride was measured. The plasticizer was added both before and after poling. In both cases the...

Field-Induced Crystallization in Highly Plasticized Poly(vinylidene fluoride) Films. (2002)

Scheinbeim,J. I., Newman,B. A., Sen,A.

Highly plasticized films of poly(vinylidene fluoride) (PCF2) containing approximately 18% by weight of tricresyl phosphate (TCP) and with initial crystallinites (phase II) of approximately 15% were...

Instability of Shear Waves in an Inhomogeneous Strongly Coupled Dusty Plasma (2001)

Mishra, Amruta, Kaw, P. K., Sen, A.

It is demonstrated that low frequency shear modes in a strongly coupled, inhomogeneous, dusty plasma can grow on account of an instability involving the dynamical charge fluctuations of the dust...

Experimental Evidence of Time Delay Induced Death in Coupled Limit Cycle Oscillators (2000)

Reddy, D. V. Ramana, Sen, A., Johnston, G. L.

Experimental observations of time delay induced amplitude death in a pair of coupled nonlinear electronic circuits that are individually capable of exhibiting limit cycle oscillations are described....

Dynamics of a Limit Cycle Oscillator under Time Delayed Linear and Nonlinear Feedbacks (1999)

Reddy, D. V. Ramana, Sen, A., Johnston, G. L.

We study the effects of time delayed linear and nonlinear feedbacks on the dynamics of a single Hopf bifurcation oscillator. Our numerical and analytic investigations reveal a host of complex...

The Effect of Plasticizer on the Polarization of Poly(Vinylidene Fluoride) Films. (1998)

Sen,A., Scheinbeim,J. I., Newman,B. A.

Plasticized and unplasticized, unoriented phase II PVF2 films were poled at fields ranging from from 0.5 MV/cm to 1.25 MV/cm at room temperature for 10 minutes. X-ray diffraction data revealed that...

Observation of Cluster Growth in an Ionomer. (1998)

Galambos,A. F., Stockton,W. B., Koberstein,J. T., Sen,A., Weiss,R. A.

In this communication, we report the results of an experiment in which an ionomer with a microdomain structured characterized by the absence of a small angle x ray scattering maximum (herein...

Time Delay Effects on Coupled Limit Cycle Oscillators at Hopf Bifurcation (1998)

Reddy, D. V. Ramana, Sen, A., Johnston, G. L.

We present a detailed study of the effect of time delay on the collective dynamics of coupled limit cycle oscillators at Hopf bifurcation. For a simple model consisting of just two oscillators with a...

Time Delay Induced Death in Coupled Limit Cycle Oscillators (1998)

Reddy, D. V. Ramana, Sen, A., Johnston, G. L.

We investigate the dynamical behaviour of two limit cycle oscillators that interact with each other via time delayed coupling and find that time delay can lead to amplitude death of the oscillators...

Gravitational field of a stationary circular cosmic string loop (1997)

Sen, A., Banerjee, N.

Gravitational field of a stationary circular cosmic string loop has been studied in the context of full nonlinear Einstein's theory of gravity. It has been assumed that the radial and tangential...

LANSIM and its applications to distributed EMS (1996)

Lun, SM, Lo, T, Wu, FF, Murphy, L, Sen, A

Distributed energy management systems (EMS) open up a host of alternative design options. Simulation plays an important role in evaluating performance and in comparing alternative designs. Currently...

Distribution of conductance and its universal fluctuations in 1-D disordered, mesoscopic systems (1993)

Gupta, A., Jayannavar, A., Sen, A.

The evolution with length of the probability distribution for the two-probe conductance (g2) of a disordered one-dimensional system is obtained numerically. It evolves from a strongly peaked...

Distribution of conductance and its universal fluctuations in 1-D disordered, mesoscopic systems (1993)

Gupta, A., Jayannavar, A., Sen, A.

The evolution with length of the probability distribution for the two-probe conductance (g2) of a disordered one-dimensional system is obtained numerically. It evolves from a strongly peaked...

Distribution of conductance and its universal fluctuations in 1-D disordered, mesoscopic systems (1993)

Gupta, A., Jayannavar, A., Sen, A.

The evolution with length of the probability distribution for the two-probe conductance (g2) of a disordered one-dimensional system is obtained numerically. It evolves from a strongly peaked...

Picture Changing Operators in Closed Fermionic String Field Theory (1992)

Saroja, R., Sen, A.

We discuss appropriate arrangement of picture changing operators required to construct gauge invariant interaction vertices involving Neveu-Schwarz states in heterotic and closed superstring field...

QUADRUPOLAR $S_{1}(J) + S_{0}(J)$- AND HEXADECAPOLAR U-TRMSITIONS IN MOLECULAR HYDROGEN AT 77 K (1979)

SEN, A., PRASAD, R.D.G., PADDI, REDDV S.

$^{1}$See, for example, S. P. Reddy, G. Varghese, and R. D. G. Prasad, Phys. Rev. A 15, 975 (1977).

Genomic Diversity of Group A Rotavirus Strains Infecting Humans in Eastern India

Das, Soma, Sen, A., Uma, G., Varghese, V., Chaudhuri, S., Bhattacharya, S. K., ...

Between 1998 and 2000, a total of 266 samples were found positive for group A rotaviruses by RNA electrophoresis. Samples were collected from patients admitted to two leading hospitals in Calcutta....

Purified low-molecular-weight protein kinase from murine sarcoma virus particles catalyzes tyrosine phosphorylation endogenously but phosphorylates cellular proteins at serine.

Sen, A

The low-molecular-weight (LMW) protein kinase associated with high-titer murine sarcoma virions have been extensively purified by ammonium sulfate fractionation. Bio-Gel P-100 gel filtration,...

Nucleotide sequence of the transforming gene of m1 murine sarcoma virus.

Brow, M A, Sen, A, Sutcliffe, J G

The v-mosm1 nucleotide sequence codes for a protein that is 376 amino acids long. Although the N-terminus is homologous with that of the v-mos124 protein, the C-terminus is substantially different...

Comparative study of attachment to and invasion of epithelial cell lines by Shigella dysenteriae.

Sen, A, Leon, M A, Palchaudhuri, S

Henle 407 and HeLa cells were compared as hosts for Shigella dysenteriae at a low multiplicity of infection. Efficiency of attachment and invasion without centrifugation, as well as selectivity for...

Effects of lipid packing on polymorphic phase behavior and membrane properties.

Hui, S W, Sen, A

The self assembly of phospholipid molecules in the bilayer form was considered in terms of equivalent molecular shapes representing intermolecular forces. The equivalent size of each phospholipid...

Rescue of endogenous 30S retroviral sequences from mouse cells by baboon type C virus.

Sherwin, S A, Rapp, U R, Benveniste, R E, Sen, A, Todaro, G J

Mus musculus SC-1 cells were infected with M7 baboon type C virus. The progeny of this infection included viral pseudotypes that contained M7 helper virus and endogenous 30S retrovirus-associated...

Molecular diversity among five different endogenous primate retroviruses.

Bryant, M L, Sherr, C J, Sen, A, Todaro, G J

Genetically transmitted retroviruses of Old and New World monkeys include type C viruses isolated from baboons (M7), macaque (MAC-1), and owl monkeys (OMC-1) and type D viruses from langurs (PO-1-Lu)...

Thermolabile protein kinase molecules in a temperature-sensitive murine sarcoma virus pseudotype.

Sen, A, Todaro, G J, Blair, D G, Robey, W G

Murine sarcoma virus-associated protein kinases that bind to actin have been purified by affinity chromatography on actin coupled to Sepharose. Heat inactivation studies showed the presence of...

Species-specific cellular DNA-binding proteins expressed in mouse cells transformed by chemical carcinogens.

Sen, A, Todaro, G J

Mouse cells transformed by DNA and RNA tumor viruses and by chemical carcinogens have been examined for the presence of specific DNA-binding proteins by DNA-cellulose chromatography. Using mouse...

Endogenous New World primate type C viruses isolated from owl monkey (Aotus trivirgatus) kidney cell line.

Todaro, G J, Sherr, C J, Sen, A, King, N, Daniel, M D, Fleckenstein, B

A type C virus (OMC-1) detected in a culture of owl monkey kidney cells resembled typical type C viruses morphologically, but was slightly larger than previously characterized mammalian type C...

Pseudotypes of feline sarcoma virus contain an 85,000-dalton protein with feline oncornavirus-associated cell membrane antigen (FOCMA) activity.

Sherr, C J, Sen, A, Todaro, G J, Sliski, A, Essex, M

Feline sarcoma virus (FeSV) rescued from transformed nonproducer mink or rat cells contains two FeSV-specific antigens (p15 and p12), and the feline oncornavirus-associated cell membrane antigen...

Release of arachidonate from membrane phospholipids in cultured neonatal rat myocardial cells during adenosine triphosphate depletion. Correlation with the progression of cell injury.

Chien, K R, Sen, A, Reynolds, R, Chang, A, Kim, Y, Gunn, M D, ...

The present study utilized a cultured myocardial cell model to evaluate the relationship between the release of arachidonate from membrane phospholipids, and the progression of cell injury during ATP...

Inhibition of the release of arachidonic acid prevents the development of sarcolemmal membrane defects in cultured rat myocardial cells during adenosine triphosphate depletion.

Sen, A, Miller, J C, Reynolds, R, Willerson, J T, Buja, L M, Chien, K R

Previous studies have suggested that phospholipid degradation is closely associated with the development of sarcolemmal membrane injury. This study was initiated to characterize the effects of...