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Anomalous Electromagnetic Transport In Compact Stars, Efrain J. Ferrer, Vivian De La Incera
Anomalous Electromagnetic Transport In Compact Stars, Efrain J. Ferrer, Vivian De La Incera
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We study the anomalous electromagnetic transport properties of a quark-matter phase that can be realized in the presence of a magnetic field in the low-temperature/moderate-high-density region of the Quantum Chromodynamics (QCD) phase map. In this so-called Magnetic Dual Chiral Density Wave phase, an inhomogeneous condensate is dynamically induced producing a nontrivial topology, a consequence of the asymmetry of the lowest Landau level modes of the quasiparticles in this phase. The nontrivial topology manifests in the electromagnetic effective action via a chiral anomaly term θFµνF˜µν, with an axion field θ given by the phase of the Dual …