Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session S08: Superconductivity in Heavy Fermion Compounds and Other Platforms
8:00 AM–11:00 AM,
Thursday, March 7, 2024
Room: L100I
Sponsoring
Unit:
DCMP
Chair: Peter Czajka, NIST
Abstract: S08.00007 : Thermodynamics investigation of the superconducting phase in UCoGe
9:12 AM–9:24 AM
Presenter:
Adrien Rosuel
(Brown University)
Authors:
Adrien Rosuel
(Brown University)
Dai Aoki
(Tohoku University)
Youichi Yanase
(Kyoto Univ)
Jean-Pascal Brison
(CEA Grenoble)
Here we present the first complete (3 axes) phase diagram established from specific heat measurements. We recover the already known strong anisotropy of the critical field due to the tuning of the pairing mechanism by the magnetic field.
More surprisingly, our specific heat measurements reveal an anomalous behavior of the specific heat jump. We will discuss the possible origins of this anomalous behavior in UCoGe, and notably the relation with the superconducting pairing mechanism.
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