Model for Vortex-Core Tunneling Spectroscopy of Chiral p-Wave Superconductors via Odd-Frequency Pairing States

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Tanuma, Yasunari and Hayashi, Nobuhiko and Tanaka, Yukio and Golubov, Alexander A. (2009) Model for Vortex-Core Tunneling Spectroscopy of Chiral p-Wave Superconductors via Odd-Frequency Pairing States. Physical Review Letters, 102 (11). p. 117003. ISSN 0031-9007

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Abstract:The local density of states is studied theoretically in terms of the odd-frequency (odd-ω) 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-ω 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-ω pair amplitudes inside vortex cores
Item Type:Article
Copyright:© 2009 The American Physical Society
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Science and Technology (TNW)
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Link to this item:http://purl.utwente.nl/publications/73747
Official URL:http://dx.doi.org/10.1103/PhysRevLett.102.117003
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