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Crystals 2017, 7(2), 58; doi:10.3390/cryst7020058

Anisotropic Magnetic Responses of Topological Crystalline Superconductors

1
Department of Applied Physics, Nagoya University, Nagoya 464-8603, Japan
2
Institute for Advanced Research, Nagoya University, Nagoya 464-8601, Japan
3
Yukawa Institute for Theoretical Physics, Kyoto University, Kitashirakawa Oiwake-Cho, Kyoto 606-8502, Japan
*
Author to whom correspondence should be addressed.
Received: 29 November 2016 / Accepted: 6 February 2017 / Published: 17 February 2017
(This article belongs to the Special Issue Topological Crystalline Insulators: Current Progress and Prospects)
View Full-Text   |   Download PDF [3813 KB, uploaded 21 February 2017]   |  

Abstract

Majorana Kramers pairs emerged on surfaces of time-reversal-invariant topological crystalline superconductors show the Ising anisotropy to an applied magnetic field. We clarify that crystalline symmetry uniquely determines the direction of the Majorana Ising spin for given irreduciblerepresentationsofpairpotential,derivingconstraintstotopologicalinvariants. In addition, necessary conditions for nontrivial topological invariants protected by the n-fold rotational symmetry are shown. View Full-Text
Keywords: topologicalsuperconductors;topologicalcrystallinesuperconductors;MajoranaIsingspin topologicalsuperconductors;topologicalcrystallinesuperconductors;MajoranaIsingspin
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Xiong, Y.; Yamakage, A.; Kobayashi, S.; Sato, M.; Tanaka, Y. Anisotropic Magnetic Responses of Topological Crystalline Superconductors. Crystals 2017, 7, 58.

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