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The Bardeen–Cooper–Schrieffer theory of a paired fermionic condensate, predicting an excitation gap and thermodynamic and electromagnetic consequences for weak-coupling conventional superconductors.
wp-physics-bcs-theoryaps-bcs-theoryaps-cooper-pairsnobel-bcs-1972mit-theory-of-solidsEach relation below ends at this concept.
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BCS theory models the weak-coupling conventional superconducting phase and its gap, thermodynamics, and electromagnetic response; strong-coupling and unconventional materials require extensions or different theories.
The target is a model, idealization, restricted ansatz, approximation scheme, phenomenological fit, or historical representation used for the source system or theory. It need not have a universal small error parameter and is not thereby a controlled limit or effective theory. The edge label and detail must identify the precise status.
wp-physics-bcs-theoryaps-bcs-theorynobel-bcs-1972mit-theory-of-solidsEach relation below starts at this concept.
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