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A phase with dissipationless direct-current transport and electromagnetic rigidity manifested by magnetic-flux expulsion or related gauge response. It is not merely a perfect-conductor limit.
wp-physics-superconductivitymit-theory-of-solidsnobel-bcs-1972Each relation below ends at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
Interacting electronic matter can develop a phase-coherent paired state with superconducting electromagnetic response; the pairing mechanism is material dependent.
The target is a collective, organizational, or scale-dependent phenomenon of the source constituents and interactions; it is not a mere list or classical sum of constituents.
wp-physics-superconductivitywp-physics-condensed-mattermit-theory-of-solidsEach relation below starts at this concept.
This is an authored directed relation from the source endpoint to the target endpoint.
Conventional superconductors are the subclass whose pairing and measured properties are accounted for by lattice-mediated BCS or Eliashberg theory.
The target is a member or subtype of the broader source class.
wp-physics-bcs-theorywp-physics-superconductivityaps-bcs-theorynobel-bcs-1972