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Open Quantum Systems Decoherence

Dynamics of spatially indistinguishable particles and entanglement protection

arXiv
Authors: Farzam Nosrati, Alessia Castellini, Giuseppe Compagno, Rosario Lo Franco

Year

2020

Paper ID

21407

Status

Preprint

Abstract Read

~2 min

Abstract Words

88

Citations

N/A

Abstract

We provide a general framework which allows one to obtain the dynamics of N noninteracting spatially indistinguishable particles locally coupled to separated environments. The approach is universal, being valid for both bosons and fermions and for any type of system-environment interaction. It is then applied to study the dynamics of two identical qubits under paradigmatic Markovian noises, such as phase damping, depolarizing and amplitude damping. We find that spatial indistinguishability of identical qubits is a controllable intrinsic property of the system which protects quantum entanglement against detrimental noise.

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  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
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  • We provide a general framework which allows one to obtain the dynamics of N noninteracting spatially indistinguishable particles locally coupled to separated environments.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2008.07471 [2] arXiv https://arxiv.org/abs/2008.07471 [3] Publisher https://arxiv.org/abs/2008.07471

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