Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series SEM-INFOR
Subjects cond-mat.stat-mech
Date Thursday 2 March 2017
Time 11:00
Institute LPTHE
Seminar Room Bibliothèque
Speaker's Last Name Goutéraux
Speaker's First Name Blaise
Speaker's Email Address
Speaker's Institution Nordita Stockholm
Title Bad Metals, Density Waves and Black Holes
Abstract So-called 'bad metals' present a long-standing conundrum to theory. In particular, their electric resistivity is too high to be accounted for by weakly coupled quasiparticles as in conventional metals. In this talk, I will argue that ac and dc transport in the bad metallic regime can be explained by a long wavelength description of fluctuating charge density waves. Both ac and dc transport are governed by Planckian dynamics, which suggests that quantum fluctuations play an important role. I'll conclude by mentioning how gauge/gravity duality can be used to efficiently calculate conductivities in the quantum critical regime.
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