Heavy fermion superconductors are materials that exhibit superconductivity at low temperatures, characterized by the presence of heavy fermion quasiparticles, which arise from the strong correlation between localized f-electrons and conduction electrons. These superconductors often show unconventional superconducting properties, distinct from traditional Bardeen-Cooper-Schrieffer (BCS) theory predictions, and are linked to magnetic interactions and quantum fluctuations.
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