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Superconducting properties of vacuum in strong magnetic field

Abstract : We discuss superconducting phases of vacuum induced by strong magnetic field in the electroweak model and in Quantum Chromodynamics (QCD) at zero temperature. In these phases, the vacuum behaves as an anisotropic inhomogeneous superconductor which supports superconductivity along the axis of the magnetic field while in the transversal directions, the superconductivity does not exist. The magnetic-field-induced anisotropic superconductivity appears as a result of condensation of electrically charged spin-one particles, which are elementary W bosons in the case of the electroweak model and composite quark-antiquark pairs with quantum numbers of ρ -mesons in the case of QCD. Due to the anisotropic nature of superconductivity, the Meissner effect is absent. Intrinsic inhomogeneities of the superconducting ground state are characterized by ensembles of certain topological vortices in an analogy with a mixed Abrikosov state of a type-II superconductivity
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Contributor : Maxim Chernodub <>
Submitted on : Tuesday, September 9, 2014 - 12:09:26 PM
Last modification on : Friday, February 19, 2021 - 4:10:02 PM
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Maxim Chernodub. Superconducting properties of vacuum in strong magnetic field. International Journal of Modern Physics D, World Scientific Publishing, 2014, 23, pp.1430009. ⟨10.1142/S0218271814300092⟩. ⟨hal-01058420⟩



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