Energy of magnetic vortices in a rotating superconductor

Brandon Carter, Reinhard Prix, and David Langlois
Phys. Rev. B 62, 9740 – Published 1 October 2000
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Abstract

We carry out a systematic analytic investigation of stationary and cylindrically symmetric vortex configurations for simple models representing an incompressible nonrelativistic superconductor in a background, which is rigidly rotating with the angular velocity Ω. It is shown that although the magnetic and kinetic contributions to the energy per unit length of such a vortex are separately modified by the background angular velocity, its effect on the total energy per unit length cancels out. For a type II superconductor threaded by a parallel array of such vortices, this result implies that the conventionally defined local magnetic field strength H will not be equal to the local space average B of the magnetic induction B (as has previously been suggested), but instead that H will simply be equal to the London field BL=(2m/q)Ω (where m and q are the mass and charge of the condensate particles).

  • Received 4 January 1999

DOI:https://doi.org/10.1103/PhysRevB.62.9740

©2000 American Physical Society

Authors & Affiliations

Brandon Carter, Reinhard Prix, and David Langlois

  • Département d’Astrophysique Relativiste et de Cosmologie, Centre National de la Recherche Scientifique, Observatoire de Paris, 92195 Meudon, France

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Issue

Vol. 62, Iss. 14 — 1 October 2000

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