165 citations
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Showing 2010 · quant-phShow all
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quant-ph2010★ 92 cited
Open system quantum dynamics with correlated initial states, not completely positive maps and non-Markovianity
A. R. Usha Devi, A. K. Rajagopl, Sudha
Dynamical A and B maps have been employed extensively by Sudarshan and co-workers to investigate open system evolution of quantum systems. A canonical structure of the A-map is int…
quant-ph2010★ 119 cited
Kraus representation of quantum evolution and fidelity as manifestations of Markovian and non-Markovian avataras
A K Rajagopal, A R Usha Devi, R W Rendell
It is shown that the fidelity of the dynamically evolved system with its earlier time density matrix provides a signature of non-Markovian dynamics. Also, the fidelity associated w…