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PKU HEP Seminar and Workshop (北京大学高能物理组)

Balanced Partial Entanglement and Mixed State Correlations

by Prof. Qiang Wen (Southeast University)




Firstly we will introduce the concept of the balanced partial entanglement entropy (BPE) and the method for its explicit computation. Consider a mixed state A \cup B in two dimensional theories, we will show that the BPE exactly gives the length of the entanglement wedge cross-section in both AdS/CFT and 3d flat holography. The BPE reduces to the reflected entropy in canonical purifications, but can be calculated in general purifications. It can be decomposed into the mutual information and an addtional universial tripartite entanglement (which is known as the Markov gap in canonical purification) when A and B are adjacent. We find that the universal tripartite entanglement is just the minimal value of the crossing PEE. The BPE is conjectured to be independent from the purifications, and we will give serval non-trival tests for this conjecture.

报告人:文强 (东南大学)
2015-2018 清华大学博士后,
2018年-至今 东南大学。

Meeting ID:935-772-869