London Penetration Depth of Heavy-Fermion Superconductors
C. M. Varma, K. Miyake, S. Schmitt-Rink
DOI 10.1103/PhysRevLett.57.626 · Physical Review Letters
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Abstract
The dynamic effective mass in heavy-fermion systems is different from the bare mass, unlike in one-component Fermi liquids. This is used to explain the appearance of a heavy mass in the London penetration depth at all temperatures. F0s∼102 and F1s∼1 are found, reflecting the strong frequency dependence but weak momentum dependence of the conduction-electron self-energy.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| UBe13 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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