Holographic Flow of Anomalous Transport Coefficients
Karl Landsteiner, Luis Melgar
TL;DR
This paper investigates how anomalous transport coefficients evolve holographically under gauge and gravitational Chern-Simons terms, revealing a cutoff-dependent flow for gauge contributions and temperature dependence for gravitational effects.
Contribution
It provides a detailed analysis of the holographic flow of anomalous conductivities, highlighting the different behaviors of gauge and gravitational Chern-Simons contributions.
Findings
Gauge Chern-Simons term induces a flow interpreted as cutoff-dependent chemical potential.
Gauge-gravitational Chern-Simons term contributes a temperature squared term that does not flow.
The study clarifies the holographic behavior of anomalous transport coefficients in the presence of Chern-Simons terms.
Abstract
We study the holographic flow of anomalous conductivities induced by gauge and gravitational Chern-Simons terms. We find that the contribution from the gauge Chern-Simons term gives rise to a flow that can be interpreted in terms of an effective, cutoff dependent chemical potential. In contrast the contribution of the gauge-gravitational Chern-Simons term is just the temperature squared and does not flow.
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