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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

Unexpected Robustness of Multipartite Entanglement against Sudden Death from Spontaneous Emission

arXiv
Authors: Songbo Xie, Daniel Younis, Joseph H. Eberly

Year

2022

Paper ID

58686

Status

Preprint

Abstract Read

~2 min

Abstract Words

82

Citations

N/A

Abstract

Entanglement is known to decay even in isolated systems, an effect attributed to spontaneous emission. This fragility of entanglement can be exacerbated by entanglement sudden death (ESD), where entanglement drops to zero abruptly within a finite time. It is natural to assume that multipartite entanglement is more vulnerable to ESD, as it involves more parties experiencing spontaneous emission. In this work, we challenge this assumption and present a contrasting conclusion, asserting that multipartite entanglement demonstrates increased robustness against ESD from spontaneous emission.

Why This Paper Matters

  • This paper contributes to the Entanglement Theory & Quantum Correlations research area in the Quantum Articles archive.
  • It adds a 2022 reference point for readers tracking recent quantum research.
  • Entanglement is known to decay even in isolated systems, an effect attributed to spontaneous emission.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2210.01854 [2] arXiv https://arxiv.org/abs/2210.01854 [3] Publisher https://arxiv.org/abs/2210.01854

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