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Large theory of critical Fermi surfaces II: conductivity
Haoyu Guo, Aavishkar A. Patel, Ilya Esterlis +1
A Fermi surface coupled to a scalar field can be described in a expansion by choosing the fermion-scalar Yukawa coupling to be random in the -dimensional flavor space, but…
Universal theory of strange metals from spatially random interactions
Aavishkar A. Patel, Haoyu Guo, Ilya Esterlis +1
We consider two-dimensional metals of fermions coupled to quantum critical scalars, the latter representing order parameters or emergent gauge fields. We show that at low temperatu…
Maximal quantum chaos of the critical Fermi surface
Maria Tikhanovskaya, Subir Sachdev, Aavishkar A. Patel
We investigate the many-body quantum chaos of non-Fermi liquid states with Fermi surfaces in two spatial dimensions by computing their out-of-time-order correlation functions. Usin…