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SUMMARY:The influence of the three-particle interaction on critical phenom
 ena of the Bose-Hubbard Model
DTSTART;VALUE=DATE-TIME:20191223T142500Z
DTEND;VALUE=DATE-TIME:20191223T144500Z
DTSTAMP;VALUE=DATE-TIME:20260316T193410Z
UID:indico-contribution-141@indico.bitp.kiev.ua
DESCRIPTION:Speakers: Oleksii Kryvchikov (B.Verkin Institute for Low Tempe
 rature Physics and Engineering of the National Academy of Sciences of Ukra
 ine)\nThe critical behavior of a mixture of two types of ultracold bosons 
 on the optical lattice was studied. The system can be described by the Bos
 e-Hubbard model. It is known that the system can be in a superfluid or in 
 a Mott insulator state\, depending on the hopping parameter and chemical p
 otential. The interaction between different types of particles drastically
  changes the phase diagram. In particular\, the transitions between mixed 
 and superfluid states appear. The presence of a three-particle interaction
  leads to an increase in the Mott insulator region of the phase diagram. I
 n particular\, bosons with a higher hopping value can be still in the Mott
  insulator phase. The results are obtained in the framework of the mean-fi
 eld approximation for a wide range of parameters.\n\nhttps://indico.bitp.k
 iev.ua/event/4/contributions/141/
LOCATION:Bogolyubov Institute for Theoretical Physics of the National Acad
 emy of Sciences of Ukraine 322
URL:https://indico.bitp.kiev.ua/event/4/contributions/141/
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