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Superfluidity, Meissner Effect, and Flux Quantization

  • Takafumi Kita
Part of the Graduate Texts in Physics book series (GTP)

Abstract

One of the most outstanding features of superconductivity is undoubtedly the persistence of a current without dissipation. However, in obeying Ampère’s law, the flow of charged particles necessarily produces magnetic fields, thereby complicating the phenomenon. With this observation, we first consider neutral systems to reveal the origin of superfluidity, i.e., the persistence of flow without dissipation, caused by the phase coherence of the Cooper-pair condensate. Subsequently, we discuss the Meissner effect concerning the flow of charged systems that expels weak magnetic fields from the bulk of superconductors. Finally, we study flux quantization arising from the single-valuedness of the macroscopic wave function.

Keywords

Weak Magnetic Field Spin Susceptibility Meissner Effect Spin Magnetic Moment Superfluid Density 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Japan 2015

Authors and Affiliations

  • Takafumi Kita
    • 1
  1. 1.Department of PhysicsHokkaido UniversitySapporoJapan

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