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Vortex states and magnetization curve of square mesoscopic superconductors

A. S. Mel’nikov, I. M. Nefedov, D. A. Ryzhov, I. A. Shereshevskii, V. M. Vinokur, and P. P. Vysheslavtsev
Phys. Rev. B 65, 140503(R) – Published 22 March 2002
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Abstract

The structure of the vortex states in a square mesoscopic superconductor is analyzed in detail using the numerical simulation within the time-dependent Ginzburg-Landau (TDGL) theory. Various vortex states (vortices, vortex molecules, multiquanta vortices) are observed and the magnetization curve is obtained. Different changes in vortex structures are identified with the peculiarities on the magnetization curve. Stability of a state consisting of vortices and antivortices is discussed.

  • Received 13 December 2001

DOI:https://doi.org/10.1103/PhysRevB.65.140503

©2002 American Physical Society

Authors & Affiliations

A. S. Mel’nikov1,2, I. M. Nefedov1, D. A. Ryzhov1,*, I. A. Shereshevskii1, V. M. Vinokur2, and P. P. Vysheslavtsev1

  • 1Institute for Physics of Microstructures, Russian Academy of Sciences, 603950, Nizhny Novgorod, GSP-105, Russia
  • 2Argonne National Laboratory, Argonne, Illinois 60439

  • *Email address: ryzhov@ipm.sci-nnov.ru

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Vol. 65, Iss. 14 — 1 April 2002

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