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arxiv: 1002.2583 · v2 · pith:Y3ZRBBA5new · submitted 2010-02-12 · 🪐 quant-ph

Measure for the Non-Markovianity of Quantum Processes

classification 🪐 quant-ph
keywords quantumflowinformationmeasureopenprocessesrecentlystates
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Recently, a measure for the non-Markovian behavior of quantum processes in open systems has been developed which is based on the quantification of the flow of information between the open system and its environment [Phys. Rev. Lett. 103, 210401 (2009)]. The information flow is connected to the rate of change of the trace distance between quantum states which can be interpreted in terms of the distinguishability of these states. Here, we elaborate the mathematical details of this theory, present applications to specific physical models, and discuss further theoretical and experimental implications, as well as relations to alternative approaches proposed recently.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Stochastic unravelings for Heisenberg picture and trace-nonpreserving dynamics

    quant-ph 2025-11 unverdicted novelty 6.0

    The paper introduces a general framework extending piecewise-deterministic unravelings to arbitrary trace-nonpreserving master equations requiring only positivity and Hermiticity of the dynamics.