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DTSTART:20180325T030000
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DTSTAMP:20260424T143225Z
UID:5a835c6963d6d402056347@ist.ac.at
DTSTART:20180222T113000
DTEND:20180222T123000
DESCRIPTION:Speaker: Peter Rosenberg\nhosted by Maksym Serbyn\nAbstract: Ex
 otic states of matter\, including high-Tc superconductors\, and topologica
 l phases\, have long been a focus of condensed matter physics. With the re
 cent advent of artificial spin-orbit coupling in ultracold gases\, and the
  remarkable experimental control and enhanced interactions provided by opt
 ical lattices\, a broad range of novel strongly correlated systems are qui
 ckly becoming experimentally accessible. One system of particular interest
 \, given its potential impact on spintronics and quantum computation\, is 
 the attractive 2D Fermi gas with spin-orbit coupling\, both in the continu
 um and optical lattice regimes. Here we examine the combined effects of Ra
 shba spin-orbit coupling and interaction in this system\, with particular 
 focus on the unique pairing\, charge\, and spin properties of the ground s
 tate\, which is computed using a set of high-precision auxiliary-field qua
 ntum Monte Carlo techniques. We also study the behavior of edge currents\,
  which are a potential precursor of various topological phenomena\, such a
 s Majorana fermions. In addition to illuminating the behavior of this exot
 ic charge ordered superfluid state\, our results serve as high-accuracy be
 nchmarks for the coming generation of precision experiments with ultracold
  gases. Finally\, we provide an outlook on future theoretical and computat
 ional directions\, including the treatment of spin polarized systems\, whi
 ch may support finite-momentum pairing states and topological superconduct
 ivity.
LOCATION:Big Seminar room Ground floor / Office Bldg West (I21.EG.101)\, IS
 TA
ORGANIZER:sdanzing@ist.ac.at
SUMMARY:Peter Rosenberg: Rashba spin-orbit coupling in ultracold fermions: 
 Exact results from quantum Monte Carlo
URL:https://talks-calendar.ista.ac.at/events/1109
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