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 · 163 citations · Full text

Natural Sciences, Physics, Memory +13

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 · 117 citations · Full text

Natural Sciences, Physics, Dynamical Systems +13

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

A. R. Usha Devi, A. K. Rajagopal · Physical Review A · 2011 · 92 citations · Full text

Natural Sciences, Physics, Dynamical Systems +14

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 · 71 citations · Full text

Natural Sciences, Physics, Information Theory +16

Majorana representation of symmetric multiqubit states

A. R. Usha Devi, A. K. Rajagopal · Quantum Information Processing · 2011 · 67 citations · Full text

Natural Sciences, Physics, Algebra +10