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Extreme Magnetic Field-Boosted Superconductivity

Published

Author(s)

Sheng NMN Ran, I Lin NMN Liu, Yun Suk Eo, Daniel J. Campbell, Paul M. Neves, Wesley T. Fuhrman, Shanta Ranjan Saha, Christoper Eckberg, Hyunsoo Kim, David Graf, Fedor Balakirev, John Singleton, Johnpierre N. Paglione, Nicholas Butch

Abstract

Applied magnetic fields underlie exotic quantum states, such as the fractional quantum Hall effect1 and Bose-Einstein condensation of spin excitations2. Superconductivity, on the other hand, is inherently antagonistic towards magnetic fields. Only in rare cases3-5 can these effects be mitigated over limited fields, leading to reentrant superconductivity phases in the spin-triplet superconductor UTe26. Strikingly, we observe superconductivity in the highest magnetic field range identified for any reentrant superconductor, beyond 65 T. These extreme properties reflect a new kind of exotic superconductivity rooted in magnetic fluctuations7 and boosted by a quantum dimensional crossover8.
Citation
Nature Physics
Volume
14

Keywords

reentrant superconductivity, pulsed field, spin-triplet

Citation

Ran, S. , Liu, I. , Eo, Y. , Campbell, D. , Neves, P. , Fuhrman, W. , Saha, S. , Eckberg, C. , Kim, H. , Graf, D. , Balakirev, F. , Singleton, J. , Paglione, J. and Butch, N. (2019), Extreme Magnetic Field-Boosted Superconductivity, Nature Physics, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=928076 (Accessed August 10, 2022)
Created November 30, 2019, Updated October 12, 2021