Conformal weights of charged Renyi entropy twist operators for free Dirac fields in arbitrary dimensions

Abstract

The conformal weights of spherical twist operators at non--zero (Euclidean) chemical potential are computed for free Dirac fields in arbitrary dimensions. An image technique, equivalent to replicas, is again used to obtain the $n$--fold cover quantities. The proof of a conjecture made by Bueno, Myers and Witczac--Krempa regarding the relation between the conformal weights and a corner coefficient in the Rényi entropy, given before for scalar fields, is extended to the fermion case. The variation of the weights with chemical potential indicates phase changes.

12 pages, 3 figures

Cited by in corpus (5)

• Rényi entropy and conformal defects
• Shape Dependence of Holographic Rényi Entropy in General Dimensions
• Charged Entanglement Entropy of Local Operators
• Bounds on corner entanglement in quantum critical states
• Universal corner entanglement of Dirac fermions and gapless bosons from the continuum to the lattice