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Open Quantum Systems Decoherence Entanglement Theory Quantum Correlations

Entanglement Witnesses Based on Symmetric Informationally Complete Measurements

arXiv
Authors: Tao Li, Le-Min Lai, Deng-Feng Liang, Shao-Ming Fei, Zhi-Xi Wang

Year

2020

Paper ID

6976

Status

Preprint

Abstract Read

~2 min

Abstract Words

74

Citations

N/A

Abstract

We study entanglement witness and present a construction of entanglement witnesses in terms of the symmetric informationally complete measurements (SIC-POVM). The capability of our witness is shown by some examples and it can be found this witness detects more entanglement than previous separability method given also by SIC-POVM. What's more, comparing with the dimension dependence of SIC-POVM, we also give the entanglement witnesses can be always constructed from general symmetric informationally complete measurements (GSIC-POVM).

Why This Paper Matters

  • This paper contributes to the Entanglement Theory & Quantum Correlations research area in the Quantum Articles archive.
  • It adds a 2020 reference point for readers tracking recent quantum research.
  • We study entanglement witness and present a construction of entanglement witnesses in terms of the symmetric informationally complete measurements (SIC-POVM).

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