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Open Quantum Systems Decoherence

Effective non-Markovian description of a system interacting with a bath

arXiv

Authors: L. Ferialdi, D. Dürr

Year

2015

Paper ID

27529

Status

Preprint

Abstract Read

~2 min

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Abstract

We study a harmonic system coupled to chain of first neighbor interacting oscillators. After deriving the exact dynamics of the system, we prove that one can effectively describe the exact dynamics by considering a suitable shorter chain. We provide the explicit expression for such an effective dynamics and we provide an upper bound on the error one makes considering it instead of the dynamics of the full chain. We eventually prove how error, timescale and number of modes in the truncated chain are related.

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This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
It adds a 2015 reference point for readers tracking recent quantum research.
We study a harmonic system coupled to chain of first neighbor interacting oscillators.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1508.07860 [2] arXiv https://arxiv.org/abs/1508.07860 [3] Publisher https://arxiv.org/abs/1508.07860

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