Rényi entanglement entropy of Fermi and non-Fermi liquids: Sachdev-Ye-Kitaev model and dynamical mean field theories

We present a method for calculating Rényi entanglement entropies for fermionic field theories originating from microscopic Hamiltonians. The method builds on an operator identity, which leads to the representation of traces of operator products, and thus Rényi entropies of a subsystem, in terms of f...

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Bibliographic Details
Main Authors: Arijit Haldar, Surajit Bera, Sumilan Banerjee
Format: Article
Language:English
Published: American Physical Society 2020-09-01
Series:Physical Review Research
Online Access:http://doi.org/10.1103/PhysRevResearch.2.033505