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Entanglement asymmetry in the ordered phase of the quantum Ising model

Published on:

22 July 2023

Primary Category:

Statistical Mechanics

Paper Authors:

Luca Capizzi,

Michele Mazzoni

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Key Details

Entanglement asymmetry generalizes to any finite group and signals symmetry breaking

In the ordered Ising phase, asymmetry approaches the maximum value log(2)

A replica method expresses asymmetry in terms of charged twist fields

Form factor bootstrap yields analytical predictions for large intervals

AI generated summary

Entanglement asymmetry in the ordered phase of the quantum Ising model

This paper studies entanglement asymmetry, a measure of symmetry breaking, in the ordered phase of the 1D quantum Ising model. Using a replica approach and form factor bootstrap, analytical predictions are made for the asymmetry of a large interval. The key finding is that the asymmetry approaches the maximum allowed value, signaling a high degree of symmetry breaking.

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