Electrodynamics of dual superconducting chiral medium

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2018-01-10
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Li, Yang
Tuchin, Kirill
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Tuchin, Kirill
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Physics and Astronomy
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We study the electrodynamics of the chiral medium with electric and magnetic charges using the effective Maxwell-Chern-Simons theory extended to include the magnetic current. The exchange of helicity between the chiral medium and the magnetic field, known as the inverse cascade, is controlled by the chiral anomaly equation. In the presence of the magnetic current, the magnetic helicity is dissipated, so that the inverse cascade stops when the magnetic helicity vanishes while the chiral conductivity reaches a non-vanishing stationary value satisfying sigma(2)(chi) < 4 sigma(e)sigma(m), where sigma(e), sigma(m) and sigma(chi) are the electric, magnetic and chiral conductivities respectively. We argue that this state is superconducting and exhibits the Meissner effect for both electric and magnetic fields. Moreover, this state is stable with respect to small magnetic helicity fluctuations; the magnetic helicity becomes unstable only when the inequality mentioned above is violated.

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This article is published as Li, Yang, and Kirill Tuchin. "Electrodynamics of dual superconducting chiral medium." Physics Letters B 776 (2018): 270-277. DOI: 10.1016/j.physletb.2017.11.063. Posted with permission.

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Mon Jan 01 00:00:00 UTC 2018
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