Bulletin of the American Physical Society
APS March Meeting 2021
Volume 66, Number 1
Monday–Friday, March 15–19, 2021; Virtual; Time Zone: Central Daylight Time, USA
Session A49: Topology and Chiral Superconductivity
8:00 AM–11:00 AM,
Monday, March 15, 2021
Sponsoring
Unit:
DCMP
Chair: Johnpierre Paglione, University of Maryland, College Park
Abstract: A49.00004 : Nonunitary Triplet Pairing on the Border of Magnetism and Upper Critical Field in UTe2*
9:48 AM–10:24 AM
Live
Presenter:
Andriy Nevidomskyy
(Physics and Astronomy, Rice University)
Author:
Andriy Nevidomskyy
(Physics and Astronomy, Rice University)
Recent studies of superconductivity under the applied hydrostatic pressure and magnetic field have revealed a complex phase diagram with what appears to be two superconducting phases whose upper critical fields are suppressed by pressure [2]. I will present a semi-phenomenological theory [2] describing the behaviour of the upper critical field on pressure and the interplay between superconductivity and the meta-magnetic phase transition observed in UTe2.
[1] A. H. Nevidomskyy, arXiv:2001.02699 (2020).
[2] W.-C. Lin, et al. npj Quant. Materials 5, 68 (2020).
*This research has been supported by the NSF grant no. DMR-1917511 and the Robert A. Welch Foundation grant C-1818.
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