Demonstration of a D-metal from a chiral spin liquid

ORAL

Abstract

We report recent results on a study of a 2D disordered but exactly solvable gapless chiral spin-liquid ground state whose fractionalised quasiparticle excitations are Majorana fermions and are classified as being in the D-class of the Altland-Zirnbauer 10-fold classification scheme [Phys. Rev. B 55, 1142 (1997)]. Transport and quasiparticle localisation properties of this Majorana metal in nanowire configurations are studied and contrasted with the previously predicted D-metal phase of Senthil and Fisher [Phys. Rev. B 61, 9690 (2000)]. The role of Z2 vortices play towards transport properties are also discussed.

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Authors

  • Victor Chua

    University of Texas at Austin

  • Gregory A. Fiete

    University of Texas at Austin, Department of Physics, The University of Texas at Austin, Austin, TX, 78712, USA, The University of Texas at Austin, TX, 78712, The University of Texas at Austin