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DTSTART:20210328T030000
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DTSTAMP:20260405T190606Z
UID:1613056500@ist.ac.at
DTSTART:20210211T161500
DTEND:20210211T171500
DESCRIPTION:Speaker: David Mitrouskas\nhosted by Robert Seiringer\nAbstract
 : We consider the dynamics of few tracer particles in a d-dimensio
 nal box coupled to N fermions via a suitable pair interaction. A
 fter taking the large volume limit at positive Fermi momentum we 
 consider the regime of high density\, that is\, large Fermi moment
 um. Assuming that the fermions are initially in the ground state 
 of the kinetic energy\, we show that a single tracer particle eff
 ectively decouples from the fermions and evolves like a free parti
 cle. We explain that this is based on a separation of scales bet
 ween the tracer particle and the fast electrons at the Fermi surf
 ace. In the rest of the talk we discuss how the picture changes 
 for more than one tracer particle and/or if one starts with an ex
 cited state for the fermions.
LOCATION:Online via Zoom\, ISTA
ORGANIZER:birgit.oosthuizen-noczil@ist.ac.at
SUMMARY:David Mitrouskas: Effective dynamics of tracer particles in a dense
  Fermi gas
URL:https://talks-calendar.ista.ac.at/events/3060
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