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UID:DSC-5481
DTSTART;TZID=Europe/Berlin:20130729T150000
SEQUENCE:1375084365
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20130729T160000
URL:https://dresden-science-calendar.de/calendar/en/detail/5481
LOCATION:MPI-PKS\, Nöthnitzer Straße 3801187 Dresden
SUMMARY:Maslov: Theory of a chiral Fermi liquid
CLASS:PUBLIC
DESCRIPTION:Speaker: Dmitrii Maslov\nInstitute of Speaker: University of Fl
 orida\nTopics:\nPhysik\n Location:\n  Name: MPI-PKS (Seminarroom 1)\n  Str
 eet: Nöthnitzer Straße 38\n  City: 01187 Dresden\n  Phone: + 49 (0)351 8
 71 0\n  Fax: \nDescription: We extend the Fermi-liquid (FL) theory to incl
 ude spin-orbit (SO) splitting of the energy bands\, focusing on the Rashba
  SO coupling as an example. We construct the phenomenological Landau inter
 action function for such a system using the symmetry arguments and verify 
 this construction by an explicit perturbative calculation. The Landau func
 tion is used to obtain the effective mass\, compressibility\, and stabilit
 y conditions of the FL. It is shown that although the charge-sector proper
 ties\, such as the effective mass and compressibility\, are determined sol
 ely by well-defined quasiparticles\, the spin-sector properties\, such as 
 the spin susceptibility\, contain a contribution from damped states in bet
 ween the spin-split Fermi surfaces\, and thus cannot be fully described by
  the FL theory\, except for the case of weak SO coupling. We also show the
  chiral FLs support a new kind of collective modes--chiral spin waves--and
  propose an experiment in which they can be observed.
DTSTAMP:20260417T233946Z
CREATED:20130711T074113Z
LAST-MODIFIED:20130729T075245Z
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