Fermion fractionalization to Majorana fermions in a dimerized Kitaev superconductor
Ryohei Wakatsuki, Motohiko Ezawa, Yukio Tanaka, Naoto Nagaosa
DOI 10.1103/PhysRevB.90.014505 · Physical Review B
Active bibliographic source — not scientific approval
Bibliographic access preserves source history; it does not approve extracted materials or validate reported claims. Review warnings on each occurrence separately.
Abstract
We study theoretically a one-dimensional dimerized Kitaev superconductor model which belongs to BDI class with time-reversal, particle-hole, and chiral symmetries. There are two sources of the particle-hole symmetry, i.e., the sublattice symmetry and superconductivity. Accordingly, we define two types of topological numbers with respect to the chiral indices of normal and Majorana fermions, which offers an ideal laboratory to examine the interference between the two different physics within the same symmetry class. Phase diagram, zero-energy bound states, and conductance at normal metal/superconductor junction of this model are unveiled from this viewpoint. Especially, the electron fractionalization to the Majorana fermions showing the splitting of the local density of states is realized at the soliton of the dimerization in this model.
Similar papers
Fractionalized Superconductivity Mediated by Majorana Fermions in the Kitaev-Kondo Lattice
similarity 0.92Matthew Bunney et al.
Source status unknown — claims are unverified
Fermion Fractionalization to Majorana Fermions in Dimerized Kitaev Superconductor
similarity 0.91Ryohei Wakatsuki et al. · 2014 · arXiv:1405.1166
Source status unknown — claims are unverified
Fractionalized Fermi liquids and exotic superconductivity in the Kitaev-Kondo lattice
similarity 0.90Urban F. P. Seifert et al.
Source status unknown — claims are unverified
Fractionalization in Josephson junction arrays hinged by quantum spin Hall edges
similarity 0.89Cenke Xu & Liang Fu
Source status unknown — claims are unverified
Superconductivity in mutual Chern-Simons gauge theory
similarity 0.88Peng Ye et al.
Source status unknown — claims are unverified
Splitting of Majorana-Fermion Modes due to Intervortex Tunneling in a px+ipy Superconductor
similarity 0.88Meng Cheng et al.
Source status unknown — claims are unverified