Recognition: unknown
Superconductivity: Exotic Commonalities in Phase and Mode
classification
❄️ cond-mat.supr-con
cond-mat.str-el
keywords
commonalitiesmodephasesuperconductorsantiferromagneticbackyballcharacterizedcuprate
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Recent muon and neutron experiments on the new FeAs-based superconductors revealed phase diagrams characterized by first-order evolution from antiferromagnetic to superconducting states, and an inelastic magnetic resonance mode whose energy scales as $\sim 4 k_{B}T_{c}$. These features exhibit striking commonalities with cuprate, backyball, organic, and heavy-fermion superconductors as well as superfluid $^{4}$He.
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