Dynamical Localization in Disordered Quantum Spin Systems

Eman Hamza, Robert Sims, Günter Stolz

Research output: Contribution to journalArticle

43 Scopus citations

Abstract

We say that a quantum spin system is dynamically localized if the time-evolution of local observables satisfies a zero-velocity Lieb-Robinson bound. In terms of this definition we have the following main results: First, for general systems with short range interactions, dynamical localization implies exponential decay of ground state correlations, up to an explicit correction. Second, the dynamical localization of random xy spin chains can be reduced to dynamical localization of an effective one-particle Hamiltonian. In particular, the isotropic xy chain in random exterior magnetic field is dynamically localized.

Original languageEnglish (US)
Pages (from-to)215-239
Number of pages25
JournalCommunications in Mathematical Physics
Volume315
Issue number1
DOIs
StatePublished - Sep 1 2012

ASJC Scopus subject areas

  • Statistical and Nonlinear Physics
  • Mathematical Physics

Fingerprint Dive into the research topics of 'Dynamical Localization in Disordered Quantum Spin Systems'. Together they form a unique fingerprint.

  • Cite this