Field-angle resolved flux-flow resistivity as a phase-sensitive probe of unconventional Cooper pairing

Article

关键词: D-WAVE SUPERCONDUCTORS;    QUASI-PARTICLE SCATTERING;    ANISOTROPIC FERMI-SURFACE;    VORTEX CORE;    CHIRAL SUPERCONDUCTORS;    II SUPERCONDUCTORS;    SPECTRAL FLOW;    SYMMETRY;    DYNAMICS;   

DOI  :  10.1103/PhysRevB.88.224511

来源: SCIE

【 摘 要 】

We theoretically investigate the applied magnetic field-angle dependence of the flux-flow resistivity rho(f)(alpha(M)) for a uniaxially anisotropic Fermi surface. rho(f) is related to the quasiparticle scattering rate inside a vortex core, which reflects the sign change in the superconducting pair potential. We find that rho(f)(alpha(M)) 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 rho(f)(alpha(M)) as a phase-sensitive field-angle resolved experiment.

【 授权许可】

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