Kibble-Zurek scaling with Matrix product states

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Abstract

We study the dynamics of second-order phase transitions that may have taken place in the early universe and analyze the Kibble-Zurek (KZ) scaling as well as the formation of topological defects emerging from a quench in the one-dimensional Bose-Hubbard model. We describe the universal dynamics of the KZ mechanism (KZM) and the topological defect formation by simulating the Bose–Hubbard model at zero temperature. We study the effects of thermalization on the ground state by analyzing the transition between Mott and superfluid phases. The out-of-equilibrium dynamics induced by a quench of the hopping parameter is presented. We find a KZ scaling behaviour at zero temperature and analyze the KZ dynamics.
Original languageEnglish
Article number012012
Pages (from-to)1-6
Number of pages6
JournalIOP Conference Series: Materials Science and Engineering
Volume947
Issue number1
DOIs
Publication statusPublished - Oct 2020

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