Pauli “unlimited”: Magnetic field induced superconductivity in UTe2

Josephine J. Yu; Yue Yu; Chaitanya Murthy; S. Raghu

doi:10.1103/3ldv-ndqj

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Pauli “unlimited”: Magnetic field induced superconductivity in UTe2

Josephine J. Yu, Yue Yu, Chaitanya Murthy, S. Raghu

DOI 10.1103/3ldv-ndqj · Physical Review B

T1

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Abstract

Inspired by the observation of extreme field-boosted superconductivity in uranium ditelluride, we present a scenario in which superconductivity can be induced by a strong Zeeman field, rather than destroyed by it, as is the case in Pauli-limited superconductivity. The resulting superconducting state has an upper critical field far greater than expected from its superconducting transition temperature, and, with spin-orbit coupling, it is sensitive to the field orientation. We demonstrate the interplay between superconductivity and metamagnetism in a simple effective 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.	—	Pressure not reported	unknown