期刊
PHYSICAL REVIEW D
卷 100, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.100.041901
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-
资金
- Institute for Quantum Information and Matter, an NSF Physics Frontiers Center (NSF) [PHY-1733907]
- NSF [DMR-1654340]
- Gordon and Betty Moore Foundation EPiQS Initiative [GBMF-4306]
We study the entanglement entropy of eigenstates (including the ground state) of the Sachdev-Ye-Kitaev model. We argue for a volume law, whose coefficient can be calculated analytically from the density of states. The coefficient depends on not only the energy density of the eigenstate but also the subsystem size. Very recent numerical results of Liu et al. confirm our analytical results.
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