Orphan high field superconductivity in non-superconducting uranium ditelluride

Corey E. Frank (), Sylvia K. Lewin, Gicela Saucedo Salas, Peter Czajka, Ian M. Hayes, Hyeok Yoon, Tristin Metz, Johnpierre Paglione, John Singleton and Nicholas P. Butch ()
Additional contact information
Corey E. Frank: National Institute of Standards and Technology
Sylvia K. Lewin: National Institute of Standards and Technology
Gicela Saucedo Salas: National Institute of Standards and Technology
Peter Czajka: National Institute of Standards and Technology
Ian M. Hayes: University of Maryland
Hyeok Yoon: University of Maryland
Tristin Metz: University of Maryland
Johnpierre Paglione: University of Maryland
John Singleton: Los Alamos National Laboratory
Nicholas P. Butch: National Institute of Standards and Technology

Nature Communications, 2024, vol. 15, issue 1, 1-7

Abstract: Abstract Reentrant superconductivity is an uncommon phenomenon in which the destructive effects of magnetic field on superconductivity are mitigated, allowing a zero-resistance state to survive under conditions that would otherwise destroy it. Typically, the reentrant superconducting region derives from a zero-field parent superconducting phase. Here, we show that in UTe2 crystals extreme applied magnetic fields give rise to an unprecedented high-field superconductor that lacks a zero-field antecedent. This high-field orphan superconductivity exists at angles offset between 29o and 42o from the crystallographic b to c axes with applied fields between 37 T and 52 T. The stability of field-induced orphan superconductivity presented in this work defies both empirical precedent and theoretical explanation and demonstrates that high-field superconductivity can exist in an otherwise non-superconducting material.

Date: 2024
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DOI: 10.1038/s41467-024-47090-1

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