The (2 + 1)-d U(1) quantum link model masquerading as deconfined criticality

D. Banerjee, F. J. Jiang, P. Widmer, U. J. Wiese

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The (2 + 1)-d U(1) quantum link model is a gauge theory, amenable to quantum simulation, with a spontaneously broken SO(2) symmetry emerging at a quantum phase transition. Its low-energy physics is described by a (2 + 1)-d RP(1) effective field theory, perturbed by an SO(2) breaking operator, which prevents the interpretation of the emergent pseudo-Goldstone boson as a dual photon. At the quantum phase transition, the model mimics some features of deconfined quantum criticality, but remains linearly confining. Deconfinement only sets in at high temperature.

Original languageEnglish
Article numberP12010
JournalJournal of Statistical Mechanics: Theory and Experiment
Volume2013
Issue number12
DOIs
Publication statusPublished - 2013 Dec 1

Fingerprint

Criticality
Quantum Phase Transition
confining
gauge theory
emerging
Effective Field Theory
bosons
Gauge Theory
operators
Bosons
physics
Photon
photons
symmetry
Linearly
Physics
Model
Symmetry
simulation
Operator

Keywords

  • quantum Monte Carlo simulations
  • quantum phase transitions (theory)

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Statistics, Probability and Uncertainty

Cite this

The (2 + 1)-d U(1) quantum link model masquerading as deconfined criticality. / Banerjee, D.; Jiang, F. J.; Widmer, P.; Wiese, U. J.

In: Journal of Statistical Mechanics: Theory and Experiment, Vol. 2013, No. 12, P12010, 01.12.2013.

Research output: Contribution to journalArticle

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