BCS Theory

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


Immediately noting the correctness of Schrieffer’s variational wave function, Bardeen, with his deep knowledge of the phenomenon (Cooper LN, Feldman D (eds) BCS: 50 years. World Scientific, Hackensack, 2011), teamed up with Cooper and Schrieffer to construct a microscopic theory of superconductivity. The BCS theory was thereby developed quite rapidly to bring remarkable agreement between theory and various experiments on single-element superconductors. This is because in these superconductors the relevant attraction in Cooper-pair condensation is weak, making the mean-field description appropriate. In this chapter, we derive the main thermodynamic results of the BCS theory for homogeneous s-wave superconductors based on the formalism developed in the previous chapter.


Heat Capacity Fermi Surface Cutoff Energy Spontaneous Symmetry Breaking Landau Theory 
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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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