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TZID:Europe/Vienna
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DTSTART:20190331T030000
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
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DTSTART:20181028T020000
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BEGIN:VEVENT
DTSTAMP:20260404T020011Z
UID:5bcd84e6c15b3572006052@ist.ac.at
DTSTART:20181127T140000
DTEND:20181127T153000
DESCRIPTION:Speaker: Volker Karle\nhosted by Misha Lemeshko\nAbstract: In t
 his talk I will consider a two-component bosonic gas in two dimensions at 
 low temperatures with a zero-range repulsive interaction.I will focus on t
 he coexistence phase with superfluid behavior in both components\, where a
  phenomenon appears which is not present in the one-component case: The no
 n-dissipative drag between the two superfluid flows (Andreev-Bashkin effec
 t)\, which originates from the interactions between different components. 
 I will show that this behavior leads to a modification of the usual BKT tr
 ansition in two dimensions. Ultimately\, the renormalization group flow in
 dicates that a collapse of the superfluid of one component can lead to the
  collapse of the superfluid of the other component and their critical temp
 eratures are in that case equal.
LOCATION:Big Seminar room Ground floor / Office Bldg West (I21.EG.101)\, IS
 TA
ORGANIZER:msoronda@ist.ac.at
SUMMARY:Volker Karle: Breakdown of superfluidity in binary Bose mixtures in
  two dimensions
URL:https://talks-calendar.ista.ac.at/events/1584
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