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Title: Detecting crystal symmetry fractionalization from the ground state: Application to Z 2 spin liquids on the kagome lattice

Journal Article · · Physical Review. B, Condensed Matter and Materials Physics
 [1];  [2]
  1. Tsinghua Univ., Beijing (China); China and Perimeter Inst. for Theoretical Physics, Waterloo, ON (Canada)
  2. Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

In quantum spin liquid states, the fractionalized spinon excitations can carry fractional crystal symmetry quantum numbers, and this symmetry fractionalization distinguishes different symmetry-enriched spin liquid states with identical intrinsic topological order. In this work we propose a simple way to detect signatures of such crystal symmetry fractionalizations from the crystal symmetry representations of the ground state wave function. We demonstrate our method on projected Z 2 spin liquid wave functions on the kagome lattice, and show that it can be used to classify generic wave functions. Furthermore our method can be used to distinguish several proposed candidates of Z 2 spin liquid states on the kagome lattice.

Research Organization:
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division
Grant/Contract Number:
SC0010526; 11104154
OSTI ID:
1505790
Journal Information:
Physical Review. B, Condensed Matter and Materials Physics, Vol. 91, Issue 10; ISSN 1098-0121
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 34 works
Citation information provided by
Web of Science

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Cited By (12)

Quantum spin liquids: a review journal November 2016
Local order parameters for symmetry fractionalization journal November 2019
Spin liquids and pseudogap metals in the SU(4) Hubbard model in a moiré superlattice journal January 2020
Competing spin-liquid states in the spin- 1 2 Heisenberg model on the triangular lattice journal October 2015
Surface field theories of point group symmetry protected topological phases journal February 2018
Folding approach to topological order enriched by mirror symmetry journal February 2019
Diagnosing Fractionalization from the Spin Dynamics of Z 2 Spin Liquids on the Kagome Lattice by Quantum Monte Carlo Simulations journal August 2018
Competing Spin Liquid Phases in the S=$\frac{1}{2}$ Heisenberg Model on the Kagome Lattice journal January 2019
Projective symmetry group classification of chiral spin liquids text January 2015
Bulk characterization of topological crystalline insulators: stability under interactions and relations to symmetry enriched U(1) quantum spin liquids text January 2017
Dynamical Signature of Symmetry Fractionalization in Frustrated Magnets text January 2018
Local order parameters for symmetry fractionalization text January 2019

Figures / Tables (5)


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