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quant-ph2017★ 12 cited
Generalized formalism for information backflow in assessing Markovianity and its equivalence to divisibility
Sagnik Chakraborty
We present a general framework for the information backflow (IB) approach of Markovianity that not only includes a large number, if not all, of IB prescriptions proposed so far but…
quant-ph2017
Non-Markovianity of qubit evolution under the action of spin environment
Sagnik Chakraborty, Arindam Mallick, Dipanjan Mandal +2
The question, whether an open system dynamics is Markovian or non-Markovian can be answered by studying the direction of the information flow in the dynamics. In Markovian dynamics…