Usha Devi A R
Usha Devi A R
Professor, Department of Physics, Bangalore University, Bangalore, India
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Quantum discord and classical correlation can tighten the uncertainty principle in the presence of quantum memory
AK Pati, MM Wilde, ARU Devi, AK Rajagopal
Physical Review A 86 (4), 042105, 2012
Kraus representation of quantum evolution and fidelity as manifestations of Markovian and non-Markovian forms
AK Rajagopal, ARU Devi, RW Rendell
Physical Review A 82 (4), 042107, 2010
Characterizing multiparticle entanglement in symmetric N-qubit states via negativity of covariance matrices
ARU Devi, R Prabhu, AK Rajagopal
Physical review letters 98 (6), 060501, 2007
Majorana representation of symmetric multiqubit states
ARU Devi, Sudha, AK Rajagopal
Quantum Information Processing 11 (3), 685-710, 2012
Open-system quantum dynamics with correlated initial states, not completely positive maps, and non-Markovianity
ARU Devi, AK Rajagopal
Physical Review A 83 (2), 022109, 2011
Generalized information theoretic measure to discern the quantumness of correlations
ARU Devi, AK Rajagopal
Physical Review Letters 100 (14), 140502, 2008
Macrorealism from entropic Leggett-Garg inequalities
ARU Devi, HS Karthik
Phys. Rev. A 87 (052103), 14, 2013
Monogamy of quantum correlations in three-qubit pure states
ARU Devi, AK Rajagopal
Physical Review A 85 (1), 012103, 2012
Quantum target detection using entangled photons
ARU Devi, AK Rajagopal
Physical Review A 79 (6), 062320, 2009
Non-classicality of photon added coherent and thermal radiations
AR Usha Devi, R Prabhu, MS Uma
The European Physical Journal D-Atomic, Molecular, Optical and Plasma …, 2006
Constraints on the uncertainties of entangled symmetric qubits
ARU Devi, MS Uma, R Prabhu, AK Rajagopal
Physics Letters A 364 (3-4), 203-207, 2007
From the quantum relative tsallis entropy to its conditional form: separability criterion beyond local and global spectra
AK Rajagopal, AS Nayak, ARU Devi
Physical Review A 89 (1), 012331, 2014
Spin squeezing criterion with local unitary invariance
AR Usha Devi, X Wang, BC Sanders
Quantum Information Processing 2, 207-220, 2003
Quantum reading of digital memory with non-Gaussian entangled light
JP Tej, ARU Devi, AK Rajagopal
Physical Review A 87 (5), 052308, 2013
Interplay of quantum stochastic and dynamical maps to discern markovian and non-markovian transitions
AR Devi, AK Rajagopal, RW Rendell
arXiv preprint arXiv:1201.0477, 2012
Quasi-probability distributions for arbitrary spin-j particles
G Ramachandran, AR Usha Devi, P Devi, S Sirsi
Foundations of Physics 26 (3), 401-412, 1996
Joint measurability and temporal steering
HS Karthik, JP Tej, ARU Devi, AK Rajagopal
JOSA B 32 (4), A34-A39, 2015
Bipartite separability of symmetric N-qubit noisy states using conditional quantum relative Tsallis entropy
AS Nayak, AK Rajagopal, ARU Devi
Physica A: Statistical Mechanics and its Applications 443, 286-295, 2016
Joint measurability, steering, and entropic uncertainty
HS Karthik, ARU Devi, AK Rajagopal
Physical Review A 91 (1), 012115, 2015
Local invariants and pairwise entanglement in symmetric multiqubit system
AR Usha Devi, MS Uma, R Prabhu, SUDHA
International Journal of Modern Physics B 20 (11n13), 1917-1933, 2006
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