Edge Ferromagnetism from Majorana Flat Bands: Application to Split Tunneling-Conductance Peaks in High-T[subscript c] Cuprate Superconductors
In mean-field descriptions of nodal d-wave superconductors, generic edges exhibit dispersionless Majorana fermion bands at zero energy. These states give rise to an extensive ground-state degeneracy, and are protected by time-reversal symmetry. We argue that the infinite density of states of these f...
Main Authors: | Potter, Andrew C., Lee, Patrick A. |
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Other Authors: | Massachusetts Institute of Technology. Department of Physics |
Format: | Article |
Language: | en_US |
Published: |
American Physical Society
2014
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Online Access: | http://hdl.handle.net/1721.1/89009 https://orcid.org/0000-0001-7809-8157 |
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