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VERSION:2.0
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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-3548
DTSTART:20141218T160000Z
DTEND:20141218T170000Z
DTSTAMP:20260416T145045Z
LAST-MODIFIED:20141208T143419Z
LOCATION:Chamberlin 5310
SUMMARY:Hydrodynamic Coulomb and Hall drag of strongly correlated elec
 tron liquids\, R. G. Herb Condensed Matter Seminar\, Alex Levchenko\, 
 Michigan State University
DESCRIPTION:We develop a theory of drag resistivity in ultraclean doub
 le layers with strongly correlated carriers. In the regime where the e
 quilibration length of the electron liquid is shorter than the interla
 yer spacing the main contribution to the drag arises from hydrodynamic
  density fluctuations. The latter consist of plasmons driven by fluctu
 ating longitudinal stresses\, and diffusive modes caused by temperatur
 e fluctuations and thermal expansion of the electron liquid. We expres
 s the drag resistivity tensor in terms of the kinetic coefficients of 
 the electron fluid. Our results are nonperturbative in interaction str
 ength and do not assume Fermi-liquid behavior of the electron liquid.
URL:https://www.physics.wisc.edu/events/?id=3548
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