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Open Quantum Systems Decoherence

New results unearthed from urtexts of quantum state diffusion

arXiv

Authors: Lajos Diósi

Year

2016

Paper ID

41561

Status

Preprint

Abstract Read

~2 min

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Abstract

Thirty years ago, the present author discussed pure state unraveling (stochastic quantum trajectories) of Markovian open system dynamics. The fact that he considered all positive dynamics, not restricted for the Lindblad-Gorini-Kossakowski-Sudarshan complete-positive subclass, has remained unnoticed so far. Here we point out the importance of the transition rate operator and the merit of invariant (representation-independent) approach, with reference to invariant condition of positive dynamics and extension of quantum state diffusion beyond complete-positive dynamics. A new result, description of all diffusive unravelings of positive dynamics directly follows.

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This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
It adds a 2016 reference point for readers tracking recent quantum research.
Thirty years ago, the present author discussed pure state unraveling (stochastic quantum trajectories) of Markovian open system dynamics.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1612.08726 [2] arXiv https://arxiv.org/abs/1612.08726 [3] Publisher https://arxiv.org/abs/1612.08726

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