Theory of the low- and high-field superconducting phases of UTe2
Josephine J. Yu, Yue Yu, Daniel F. Agterberg, S. Raghu
DOI 10.1103/PhysRevB.107.214510 · Physical Review B
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Abstract
Recent nuclear magnetic resonance and calorimetric experiments have observed that UTe2 exhibits a transition between two distinct superconducting phases as a function of magnetic field strength for a field applied along the crystalline b axis. To determine the nature of these phases, we employ a microscopic two-band minimal Hamiltonian with the essential crystal symmetries and structural details. We also adopt anisotropic ferromagnetic exchange terms. We study the resulting pairing symmetries and properties of these low- and high-field phases in mean-field theory.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| UTe2 Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | 1.6 | Pressure not reported | unknown |
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