Altas Energías

The chiral magnetic effect: possible connections between heavy ion physics and condensed matter

by Dr. Ana J. Mizher (Instituto de Física Teórica, Universidade Estadual Paulista, Brasil)

Wednesday, 8 December 2021 from to (Mexico/General)
at ICN-UNAM ( Seminario virtual vía Zoom )
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The chiral magnetic effect (CME) is a non-dissipative electric current that
might emerge as a result from an imbalance of chirality associated with a
magnetic background in the quark-gluon plasma. Despite over a decade of
efforts, to define unambiguous observables of the CME in heavy ion
collisions turned out to be a hard task. On the other hand, with the
discovery of Dirac and Weyl semimetals in condensed matter, where the
quasiparticles behave relativistic-like, a link between high energy physics
and condensed matter was constructed and an analog of the CME was clearly
observed in (3+1)D Dirac/Weyl materials. In this talk I present a new
mechanism to generate an anomalous Quantum Hall Effect in two-dimensional
materials, inspired by the CME. Promising candidates that may intrinsically
harbour this (topologically protected) effect are also presented.

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