SuperconductivityZero resistance state below critical temperature
MeissnerEffectExpulsion of magnetic field from superconductor
CooperPairsPaired electrons responsible for superconductivity
CriticalTemperatureTemperature below which superconductivity occurs
BCSTheoryBardeen-Cooper-Schrieffer theory of superconductivity
CupratesCopper-oxide high-Tc superconductors
TypeISuperconductor with complete field expulsion
TypeIISuperconductor allowing flux vortices
HydridesHydrogen-rich high-pressure superconductors
SQUIDSuperconducting Quantum Interference Device