Odd-Parity Superconductivity in the Vicinity of Inversion Symmetry Breaking in Spin-Orbit-Coupled Systems
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PhysRevLett.115.207002.pdf
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Author(s)
Kozii, Vladyslav
Fu, Liang
Date Issued
November 2015
Journal
Physical Review Letters
Publisher
American Physical Society
Citation
Kozii, Vladyslav, and Liang Fu. “Odd-Parity Superconductivity in the Vicinity of Inversion Symmetry Breaking in Spin-Orbit-Coupled Systems.” Physical Review Letters 115, no. 20 (November 2015). © 2015 American Physical Society
Version
Final published version
Abstract
We study superconductivity in spin-orbit-coupled systems in the vicinity of inversion symmetry breaking. We find that, because of the presence of spin-orbit coupling, fluctuations of the incipient parity-breaking order generate an attractive pairing interaction in an odd-parity pairing channel, which competes with the s-wave pairing. We show that Coulomb repulsion or an external Zeeman field suppresses the s-wave pairing and promotes the odd-parity superconducting state. Our work provides a new mechanism for odd-parity pairing and opens a route to novel topological superconductivity.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.115.207002
