Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session A29: UTe2 and Actinide Heavy Fermion Materials
8:00 AM–11:00 AM,
Monday, March 6, 2023
Room: Room 221
Sponsoring
Unit:
DCMP
Chair: Ravhi Kumar, University of Illinois at Chicago
Abstract: A29.00013 : Characterising the magnetic anisotropy of UTe2
10:24 AM–10:36 AM
Presenter:
Valeska Zambra
(Institute of Science and Technology Austria, Am Campus 1, 3400 Klosterneuburg, Austria)
Authors:
Valeska Zambra
(Institute of Science and Technology Austria, Am Campus 1, 3400 Klosterneuburg, Austria)
Amit Nathwani
(Institute of Science and Technology Austria, Am Campus 1, 3400 Klosterneuburg, Austria)
Muhammad NAUMAN
(Institute of Science and Technology Austria, Am Campus 1, 3400 Klosterneuburg, Austria)
Kimberly Modic
(Institute of Science and Technology Austria, Am Campus 1, 3400 Klosterneuburg, Austria)
Brad Ramshaw
(Laboratory of Atomic and Solid State Physics, Cornell University, Ithaca, NY 14853, USA)
Arkady Shekhter
(National High Magnetic Field Laboratory, USA)
In order to determine the intrinsic nature of UTe2, we select small single crystals using focused ion beam (FIB) lithography and measure the magnetotropic coefficient [5] as a function of temperature and magnetic field. Similar measurements at larger magnetic fields will allow us to completely characterise the magnetic anisotropy, and help us gain a better understanding of the interplay between the magnetism in UTe2 and its exotic superconducting phases.
[1] Ran, Sheng, et al. "Nearly ferromagnetic spin-triplet superconductivity." Science 365.6454 (2019): 684-687.
[2] Ran, Sheng, et al. "Extreme magnetic field-boosted superconductivity." Nature Physics 15.12 (2019): 1250-1254.
[3] Hayes, Ian M., et al. "Weyl superconductivity in UTe2." arXiv preprint arXiv:2002.02539 (2020).
[4] Thomas, Sean Michael, et al. "Spatially inhomogeneous superconductivity in UTe 2." Physical Review B 104.22 (2021): 224501.
[5] Modic, Kimberly A., et al. "Resonant torsion magnetometry in anisotropic quantum materials." Nature communications 9.1 (2018): 1-8.
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