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TZID:Europe/Vienna
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DTSTART:20260329T030000
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DTSTART:20251026T020000
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DTSTAMP:20260424T125202Z
UID:6687bf08e3ddd612497904@ist.ac.at
DTSTART:20251028T161500
DTEND:20251028T171500
DESCRIPTION:Speaker: Francois Visconti\nhosted by Robert Seiringer\nAbstrac
 t: In this talk\, I will present recent results on two-dimensional Bose ga
 ses with attractive interactions. More precisely\, I will discuss the vali
 dity of Hartree theory\, which states that the ground state of the system 
 can be accurately described by an uncorrelated Bose-Einstein condensate. I
 n particular\, this means that the ground state energy per particle of the
  system is well-described by a non-linear Schrdinger energy functional\, c
 alled the Hartree energy functional. For systems with attractive interacti
 ons\, this question is particularly non-trivial because the system might n
 ot even be stable\, meaning that the ground state energy per particle migh
 t diverge as the number of particles goes to infinity. As I will explain\,
  there is a sharp threshold on the interaction that determines whether or 
 not the system is stable.Based on joint work with Lukas Junge.
LOCATION:Office Bldg West / Ground floor / Heinzel Seminar Room (I21.EG.101
 )\, ISTA
ORGANIZER:boosthui@ist.ac.at
SUMMARY:Francois Visconti: Derivation of Hartree theory for attractive 2D B
 ose gases
URL:https://talks-calendar.ista.ac.at/events/6085
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