Field-angle resolved flux-flow resistivity as a phase-sensitive probe of unconventional Cooper pairing
Yoichi Higashi, Yuki Nagai, Masahiko Machida, Nobuhiko Hayashi
DOI 10.1103/PhysRevB.88.224511 · Physical Review B
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Abstract
We theoretically investigate the applied magnetic field-angle dependence of the flux-flow resistivity ρf(αM) for a uniaxially anisotropic Fermi surface. ρf is related to the quasiparticle scattering rate inside a vortex core, which reflects the sign change in the superconducting pair potential. We find that ρf(αM) is sensitive to the sign change in the pair potential and has its maximum when the magnetic field is parallel to the gap-node direction. We propose the measurement of the field-angle dependent oscillation of ρf(αM) as a phase-sensitive field-angle resolved experiment.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| CeCoIn5 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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