Dynamical Structure Factor of Z2 Topological Spin Liquid

ORAL

Abstract

Employing large-scale quantum Monte Carlo simulations and the recently developed stochastic analytic continuation technique, we systematically investigate the dynamical information of in Z2 topological spin liquid realized in the Balents-Fisher-Girvin XXZ spin model. In particular, we for the first time observe the evolution of dynamical spin-spin correlation functions, through the the continuous transitions from spin liquid to symmetry breaking phases. We find symmetry fractionalization of the vison excitations can be revealed from spectral information, and hence provide evidence for experimentally accessible detections of topological order and the associated symmetry fractionalization.

–

Presenters

  • Guang Yu Sun

    • Chinese Academy of Scienes (CAS)

Authors

  • Guang Yu Sun

    • Chinese Academy of Scienes (CAS)

  • Yancheng Wang

    • Chinese Academy of Scienes (CAS)
    • School of Physical Science and Technology, China University of Mining and Technology

  • Chen Fang

    • Physics, Chinese Academy of Sciences (CAS)
    • Chinese Academy of Scienes (CAS)
    • Institute of Physics,Chinese Academy of Scienes (CAS)
    • Institute of Physics, Chinese Academy of Sciences

  • Meng Cheng

    • Department of Physics and Applied Physics, Yale University
    • Yale University
    • Department of Physics, Yale University

  • Yang Qi

    • Massachusetts Institute of Technology(MIT)

  • ZiYang Meng

    • T03, Beijing National Laboratory for Condensed Matter Physics and Institute of Physics
    • Chinese Academy of Sciences
    • The Institute of Physics, Chinese Academy of Sciences
    • Chinese Academy of Scienes (CAS)
    • Institution of physics, Chinese Academic of Sciences (CAS)