3 years ago

Zeeman-Induced Gapless Superconductivity with Partial Fermi Surface.

Noah F. Q. Yuan, Liang Fu

We show that an in-plane magnetic field can drive two-dimensional spin-orbit-coupled systems under 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. Charge distribution, spin texture, and density of states of such "partial Fermi surface" are discussed. Material platforms for its physical realization are proposed.

Publisher URL: http://arxiv.org/abs/1801.03522

DOI: arXiv:1801.03522v1

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