Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series LPTENS-HE
Subjects cond-mat.str-el,hep-th
Date Tuesday 20 June 2017
Time 14:00
Institute LPTENS
Seminar Room Conf IV
Speaker's Last Name Son
Speaker's First Name Dam Thanh
Speaker's Email Address
Speaker's Institution U. of Chicago
Title Fractional quantum Hall effect and dualities between field theories in 2+1 dimensions - I
Abstract A wide array of phenomena occurring in quantum Hall fluid can be explained by postulating a new quasiparticle - the composite fermion. The previous field theory of the composite fermion, the Halperin-Lee-Read theory, suffers from the lack of particle-hole symmetry. I will describe a new theory, known as the "Dirac composite fermion theory," which solves the problem of particle-hole symmetry and reveals deep connections to novel dualities between field theories in 2+1 dimensions. I will also describe physical consequences of the Dirac composite fermion theory.
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