Nonsymmorphic symmetry and field-driven odd-parity pairing in Ce Rh 2 As 2
Journal Article
·
· Physical Review. B
- University of Otago, Dunedin (New Zealand)
- University of Wisconsin, Madison, WI (United States)
Recently, evidence has emerged for a field-induced even- to odd-parity superconducting phase transition in CeRh2As2. In this paper we argue that the P4/nmm nonsymmorphic crystal structure of CeRh2As2 plays a key role in enabling this transition by ensuring large spin-orbit interactions near the Brillouin zone boundaries, which naturally leads to the required near-degeneracy of the even- and odd-parity channels. We further comment on the relevance of our theory to FeSe, which crystallizes in the same structure.
- Research Organization:
- West Virginia Univ., Morgantown, WV (United States); Univ. of Wisconsin, Madison, WI (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE); Marsden Fund Council
- Grant/Contract Number:
- SC0017632; SC0021971
- OSTI ID:
- 1979772
- Journal Information:
- Physical Review. B, Vol. 105, Issue 2; ISSN 2469-9950
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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