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SUMMARY:Dirty black holes and transport in strange metals - Andy Lucas (Ha
 rvard)
DTSTART:20160311T130000Z
DTEND:20160311T140000Z
UID:TALK63956@talks.cam.ac.uk
CONTACT:43345
DESCRIPTION:I will discuss what we have learned in the past year about tra
 nsport in strongly interacting metallic phases by studying the linear resp
 onse of planar black holes with broken translational symmetry.    Firstly\
 , I will discuss how holography tells us that the conductivity of weakly d
 isordered metals is described by the Drude formula\,  confirming a "predic
 tion" of the many-body memory matrix approach.   Secondly\, I will discuss
  the derivation of non-perturbative conductivity bounds\, invoking a new v
 ersion of the holographic membrane paradigm.   These bounds rule out disor
 der-driven phase transitions (which would generically exist in traditional
  condensed matter models) in the boundary theory under rather mild assumpt
 ions about the existence and nature of solutions to Einstein's equations. 
   Connections between these black-hole inspired theories of transport and 
 novel experiments in graphene will also be discussed.
LOCATION:Pavilion B Potter Room (B1.19)
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