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Author (up) Petrova, O.; Mellado, P.; Tchernyshyov, O. pdf  doi
  Title Unpaired Majorana modes in the gapped phase of Kitaev's honeycomb model Type Journal Article
  Year 2013 Publication Physical Review B Abbreviated Journal Phys. Rev. B  
  Volume 88 Issue 14 Pages 4 pp  
  Abstract We study the gapped phase of Kitaev's honeycomb model (a Z(2) spin liquid) in the presence of lattice defects. We find that some dislocations and bond defects carry unpaired Majorana fermions. Physical excitations associated with these defects are (complex) fermion modes made out of two (real) Majorana fermions connected by a Z(2) gauge string. The quantum state of these modes is robust against local noise and can be changed by winding a Z(2) vortex around a dislocation. The exact solution respects gauge invariance and reveals a crucial role of the gauge field in the physics of Majorana modes.  
  Address [Petrova, Olga; Tchernyshyov, Oleg] Johns Hopkins Univ, Dept Phys & Astron, Baltimore, MD 21218 USA  
  Corporate Author Thesis  
  Publisher Amer Physical Soc Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 2469-9950 ISBN Medium  
  Area Expedition Conference  
  Notes WOS:000325556900001 Approved no  
  Call Number UAI @ eduardo.moreno @ Serial 317  
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