Quenched randomness, thermal fluctuations, and reentrant superconductivity: Application to <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:msub><mml:mi>UTe</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>
نویسندگان
چکیده
Reentrant superconductivity has been observed in the candidate spin-triplet superconductor UTe$_2$ as a function of magnetic field applied along hard axis. Resistivity measurements have shown, broadened superconducting transition appears near minimal $T_c$, highlighting importance fluctuations this regime. We present phenomenological study assuming field-driven first-order between two states. show that with quenched randomness, inhomogeneity-enhanced could naturally account for both reentrant well transition.
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ژورنال
عنوان ژورنال: Physical review
سال: 2022
ISSN: ['0556-2813', '1538-4497', '1089-490X']
DOI: https://doi.org/10.1103/physrevb.105.174506