Universal Model for Superconductor-Magnet Forces in the Static Limit Articles uri icon

authors

  • PEREZ DIAZ, JOSE LUIS
  • GARCIA PRADA, JUAN CARLOS
  • DIAZ GARCIA, JOSE ALBERTO

publication date

  • March 2008

International Standard Serial Number (ISSN)

  • 1970-8734

Electronic International Standard Serial Number (EISSN)

  • 2532-5655

abstract

  • London and Maxwell equations are used in order to derive an exact and universal expression for the force and torque between a magnetic field (eventually a magnet) and a superconductor. This expression is useful for any shape and size of both magnet and superconductor and is suitable for finite elements calculations in the static limit. Furthermore, the equivalence of our general purpose expression with the well-known method of images is demonstrated for the case of a semi-infinite plane superconductor.