Jagiellonian University Repository

Dynamics of the quantum phase transition in the one-dimensional Bose-Hubbard model : excitations and correlations induced by a quench

Dynamics of the quantum phase transition in the ...

Show full item record

dc.contributor.author Gardas, Bartłomiej [SAP14024945] pl
dc.contributor.author Dziarmaga, Jacek [SAP11016123] pl
dc.contributor.author Zurek, Wojciech H. pl
dc.date.accessioned 2018-03-19T15:52:39Z
dc.date.available 2018-03-19T15:52:39Z
dc.date.issued 2017 pl
dc.identifier.issn 2469-9950 pl
dc.identifier.uri https://ruj.uj.edu.pl/xmlui/handle/item/52234
dc.language eng pl
dc.rights Dodaję tylko opis bibliograficzny *
dc.rights.uri *
dc.title Dynamics of the quantum phase transition in the one-dimensional Bose-Hubbard model : excitations and correlations induced by a quench pl
dc.type JournalArticle pl
dc.abstract.en The ground state of the one-dimensional Bose-Hubbard model at unit filling undergoes the Mott-superfluid quantum phase transition. It belongs to the Kosterlitz-Thouless universality class with an exponential divergence of the correlation length in place of the usual power law. We present numerical simulations of a linear quench both from the Mott insulator to superfluid and back. The results satisfy the scaling hypothesis that follows from the Kibble-Zurek mechanism (KZM). In the superfluid-to-Mott quenches there is no significant excitation in the superfluid phase despite its gaplessness. Since all critical superfluid ground states are qualitatively similar, the excitation begins to build up only after crossing the critical point when the ground state begins to change fundamentally. The last process falls into the KZM framework. pl
dc.description.volume 95 pl
dc.description.number 10 pl
dc.identifier.doi 10.1103/PhysRevB.95.104306 pl
dc.identifier.eissn 2469-9969 pl
dc.title.journal Physical Review. B pl
dc.language.container eng pl
dc.affiliation Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego pl
dc.subtype Article pl
dc.identifier.articleid 104306 pl
dc.rights.original bez licencji pl
.pointsMNiSW [2017 A]: 35


Files in this item

Files Size Format View

There are no files associated with this item.

This item appears in the following Collection(s)