Chiral transport in strong fields from holography

Mar 3, 2019
33 pages
Published in:
  • JHEP 05 (2019) 071
  • Published: May 14, 2019
e-Print:

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Abstract: (Springer)
Anomaly-induced transport phenomena in presence of strong external electromagnetic fields are explored within a 4D field theory defined holographically as U(1)V_{V} × U(1)A_{A} Maxwell-Chern-Simons theory in Schwarzschild-AdS5_{5}. Two complementary studies are reported. In the first one, we present results on the Ohmic conductivity, diffusion constant, chiral magnetic conductivity, and additional anomaly-induced transport coefficients as functions of external e/m fields. Next, gradient resummation in a constant background magnetic field is performed. All-order resummed constitutive relations are parameterised by four momenta-dependent transport coefficient functions (TCFs). A highlight of this part is a thorough study of non-dissipative chiral magnetic waves (CMW) in strong magnetic fields.
Note:
  • v1: 33 pages, 13 figures; v2: published version
  • AdS-CFT Correspondence
  • Gauge-gravity correspondence
  • Holography and condensed matter physics (AdS/CMT)
  • Holography and quark-gluon plasmas
  • conductivity: magnetic
  • magnetic field: background
  • magnetic field: high
  • wave: magnetic
  • chiral
  • holography