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  • Letter
  • Open Access

Disorder-induced dynamical Griffiths singularities after certain quantum quenches

José A. Hoyos1,2, R. F. P. Costa3, and J. C. Xavier3

  • 1Instituto de Física de São Carlos, Universidade de São Paulo, C.P. 369, São Carlos, São Paulo 13560-970, Brazil
  • 2Max Planck Institute for the Physics of Complex Systems, Nöthnitzer Strasse 38, 01187 Dresden, Germany
  • 3Instituto de Física, Universidade Federal de Uberlândia, C.P. 593, 38400-902 Uberlândia, MG, Brazil

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Phys. Rev. B 106, L140201 – Published 10 October, 2022

DOI: https://doi.org/10.1103/PhysRevB.106.L140201

Abstract

We demonstrate that in a class of disordered quantum systems the dynamical partition function is not an analytical function in a time window after certain quantum quenches. We related this behavior to rare and large regions with atypical inhomogeneity configurations. We also quantify the strength of the associated singularities and their signatures in experiments and numerical studies.

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Phys. Rev. B 106, L140201– Published 10 October, 2022
  • Received 30 January 2022
  • Accepted 30 September 2022
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Open access publication funded by the Max Planck Society.

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