paper

The simplest quantum model supporting the Kibble-Zurek mechanism of topological defect production: Landau-Zener transitions from a new perspective

arXiv:cond-mat/0411004 · doi:10.1103/PhysRevLett.95.035701

Abstract

It is shown that dynamics of the Landau-Zener model can be accurately described in terms of the Kibble-Zurek theory of the topological defect production in nonequilibrium phase transitions. The simplest quantum model exhibiting the Kibble-Zurek mechanism is presented. A new intuitive description of Landau-Zener dynamics is found.

4 pages, 3 figures. Version to appear in Phys. Rev. Lett. (2005). Many improvements introduced, major conclusions stay the same

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