A. R. Usha Devi

Quantum discord and classical correlation can tighten the uncertainty principle in the presence of quantum memory

Arun Kumar Pati, Mark M. Wilde, A. R. Usha Devi et al. · Physical Review A · 2012 · 157 citations · Full text

Inevitable Randomness, Engineering, Quantum Measurement +19

Kraus representation of quantum evolution and fidelity as manifestations of Markovian and non-Markovian forms

A. K. Rajagopal, A. R. Usha Devi, R. W. Rendell · Physical Review A · 2010 · 116 citations · Full text

Quantum Dynamic, Quantum Science, Kraus Representation +15

Open-system quantum dynamics with correlated initial states, not completely positive maps, and non-Markovianity

A. R. Usha Devi, A. K. Rajagopal, Sudha · Physical Review A · 2011 · 89 citations · Full text

Quantum Dynamic, Engineering, Many-body Quantum Physic +16

Characterizing Multiparticle Entanglement in Symmetric<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>N</mml:mi></mml:math>-Qubit States via Negativity of Covariance Matrices

A. R. Usha Devi, R. Prabhu, A. K. Rajagopal · Physical Review Letters · 2007 · 70 citations · Full text

Engineering, Many-body Quantum Physic, Math Xmlns +18

Majorana representation of symmetric multiqubit states

A. R. Usha Devi, Sudha, A. K. Rajagopal · Quantum Information Processing · 2011 · 65 citations · Full text

Quantum Science, Majorana Fermion, Engineering +5