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Visualizing Uniaxial-strain Manipulation of Antiferromagnetic Domains in Fe1+YTe Using a Spin-polarized Scanning Tunneling Microscope
Published on: March 24, 2019
Model for vortex-core tunneling spectroscopy of chiral p-wave superconductors via odd-frequency pairing states
Yasunari Tanuma1, Nobuhiko Hayashi, Yukio Tanaka
1Faculty of Engineering and Resource Science, Akita University, Akita 010-8502, Japan.
Abstract:
The local density of states is studied theoretically in terms of the odd-frequency (odd-omega) Cooper pairing induced around a vortex core. We find that a zero energy peak in the density of states at the vortex center is robust against nonmagnetic impurities in a chiral p-wave superconductor owing to 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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