Zeeman-induced gapless superconductivity with a partial Fermi surface
Name
PhysRevB.97.115139.pdf
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466.8 KB
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Author(s)
Yuan, Noah F. Q.
Fu, Liang
Date Issued
March 2018
Journal
Physical Review B
Publisher
American Physical Society
Citation
Yuan, Noah F. Q., and Liang Fu. “Zeeman-Induced Gapless Superconductivity with a Partial Fermi Surface.” Physical Review B, vol. 97, no. 11, Mar. 2018. © 2018 American Physical Society
Version
Final published version
Abstract
We show that an in-plane magnetic field can drive two-dimensional spin-orbit-coupled systems under the superconducting proximity effect into a gapless phase where parts of the normal state Fermi surface are gapped, and the ungapped parts are reconstructed into a small Fermi surface of Bogoliubov quasiparticles at zero energy. The charge distribution, spin texture, and density of states of such a “partial Fermi surface” are discussed. Material platforms for its physical realization are proposed.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
https://doi.org/10.1103/PhysRevB.97.115139
