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2014 | 12 | 7 | 473-479
Tytuł artykułu

One-dimensional Bose-Hubbard model with pure three-body interactions

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The extended Bose-Hubbard model with pure three-body local interactions is studied using the Density Matrix Renormalization Group approach. The shapes of the first two insulating lobes are discussed, and the values of the critical tunneling for which the system undergoes the quantum phase transition from insulating to superfluid phase are predicted. It is shown that stability of insulating phases, in contrast to the standard Bose-Hubbard model, is enhanced for larger fillings. It is also shown that, on the tip of the boundary of the insulating phase, the model under consideration belongs to the Berenzinskii-Kosterlitz-Thouless universality class.
Wydawca
Czasopismo
Rocznik
Tom
12
Numer
7
Strony
473-479
Opis fizyczny
Daty
wydano
2014-07-01
online
2014-06-21
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11534-014-0481-8
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