Entanglement entropy with Lifshitz fermions

We investigate fermions with Lifshitz scaling symmetry and study their entanglement entropy in 1+1 dimensions as a function of the scaling exponent $z$. Remarkably, in the ground state the entanglement entropy vanishes for even values of $z$, whereas for odd values it is independent of $z$ and eq...

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Bibliographic Details
Main Author: Dion Hartmann, Kevin Kavanagh, Stefan Vandoren
Format: Article
Language:English
Published: SciPost 2021-08-01
Series:SciPost Physics
Online Access:https://scipost.org/SciPostPhys.11.2.031