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Open Quantum Systems Decoherence

The Hidden Nature of Non-Markovianity

arXiv
Authors: Jihong Cai, Advith Govindarajan, Marius Junge

Year

2026

Paper ID

1175

Status

Preprint

Abstract Read

~2 min

Abstract Words

107

Citations

N/A

Abstract

The theory of open quantum systems served as a tool to prepare entanglement at the beginning stage of quantum technology and more recently provides an important tool for state preparation. Dynamics given by time dependent Lindbladians are Markovian and lead to decoherence, decay of correlation and convergence to equilibrium. In contrast Non-Markovian evolutions can outperform their Markovian counterparts by enhancing memory. In this letter we compare the trajectories of Markovian and Non-Markovian evolutions starting from a fixed initial value. It turns out that under mild assumptions every trajectory can be obtained from a family of time dependent Lindbladians. Hence Non-Markovianity is invisible if single trajectories are concerned.

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  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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  • The theory of open quantum systems served as a tool to prepare entanglement at the beginning stage of quantum technology and more recently provides an important tool for state...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2602.17631 [2] arXiv https://arxiv.org/abs/2602.17631 [3] Publisher https://arxiv.org/abs/2602.17631

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