Model for Vortex-core tunneling spectroscopy of chiral p-wave superconductors via odd-frequency pairing states

Details Model for Vortex-core tunneling spectroscopy of chiral p-wave superconductors via odd-frequency pairing states Model for Vortex-core tunneling spectroscopy of chiral p-wave superconductors via odd-frequency pairing states

2008-08-05

arxiv.org/abs/0808.0680v3

Physics

Condensed Matter

Superconductivity

4 pages, 5 figures

Scientific paper

10.1103/PhysRevLett.102.117003

The local density of states (LDOS) around a vortex core is studied theoretically in terms of the odd-frequency (odd-omega) Cooper pairing induced around the center of the vortex core. We find a robust zero-energy peak in the LDOS at a vortex core in a chiral p-wave superconductor originating from an odd-omega s-wave pair amplitude. We suggest how to discriminate a spin-triplet pairing symmetry and spatial chiral-domain structure by scanning tunneling spectroscopy via odd-omega pair amplitudes inside vortex cores.

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