Chirality effect on superconductivity

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International Workshop on Dirac Electrons in Solids 2015: 14–15 January 2015, Tokyo, Japan

We consider electron systems characterized by chirality, such as Dirac fermion systems and iron-based superconductors. We investigate the chirality effect on superconducting states in such a system. We show that chirality effect leads to a nodal structure in the superconducting gap function. The node creation mechanism depends on the wave vector q of the pairing interaction and vorticity that characterizes chirality of electrons. The node creation effect due to chirality is significant for the case of Dirac fermions with q = (π, 0) and for the case of iron-based superconductors with q = (π, π).


  • Journal of Physics: Conference Series

    Journal of Physics: Conference Series 603(1), 2015-04-28

    Institute of Physics Publishing


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