Probing thermality beyond the diagonal
Probing thermality beyond the diagonal
复制标题
探测对角线之外的热度
DOI:
10.1103/physrevd.98.126015
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发表时间:
2018
影响因子:
5
通讯作者:
S. Datta
中科院分区:
文献类型:
--
作者:
E. Brehm;D. Das;S. Datta
We investigate the off-diagonal sector of eigenstate thermalization using both local and non-local probes in 2-dimensional conformal field theories. A novel analysis of the asymptotics of OPE coefficients via the modular bootstrap is performed to extract the behaviour of the off-diagonal matrix elements. We also probe this sector using semi-classical heavy-light Virasoro blocks. The results demonstrate signatures of thermality and confirms the entropic suppression of the off-diagonal elements as necessitated by the eigenstate thermalization hypothesis.
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