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Z index theorem for Majorana zero modes in a class D topological superconductor
T. Fukui, T. Fujiwara
We propose a Z index theorem for a generic topological superconductor in class D. Introducing a particle-hole symmetry breaking term depending on a parameter and regarding it a…
Automatic Hermiticity
Keiichi Nagao, Holger Bech Nielsen
We study a diagonalizable Hamiltonian that is not at first hermitian. Requirement that a measurement shall not change one Hamiltonian eigenstate into another one with a different e…
Spectral analysis of resonant x-ray scattering in CeB6 under an external magnetic field
Tatsuya Nagao, Jun-ichi Igarashi
We study the resonant x-ray scattering (RXS) spectra of CeB_{6} in an antiferroquadrupole (AFQ) ordering phase, near the Ce L_3 edge under the applied magnetic field H // (-1,1,0).…
Majorana zero modes bound to a vortex line in a topological superconductor
T. Fukui
We explore Majorana zero modes bound to a vortex line in a three dimensional topological superconductor model, focusing our attention on the validity of the index theorem previousl…