4.6 Article

Disorder-induced dynamical Griffiths singularities after certain quantum quenches

Journal

PHYSICAL REVIEW B
Volume 106, Issue 14, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.106.L140201

Keywords

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Funding

  1. Brazilian FAPEMIG
  2. FAPESP
  3. CNPq

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We investigate a class of disordered quantum systems and find that the dynamical partition function exhibits non-analytical behavior in a time window after certain quantum quenches. This behavior is attributed to rare and large regions with atypical inhomogeneity configurations. We quantify the strength of the associated singularities and their experimental and numerical signatures.
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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