期刊
PHYSICAL REVIEW LETTERS
卷 124, 期 7, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.124.076401
关键词
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资金
- DOE Office of Science User Facility [DE-AC02-05CH11231]
- MRSEC Program of the National Science Foundation [DMR1420073]
- NSF [MRI-1531664]
- Gordon and Betty Moore Foundation's EPiQS Initiative [GBMF4838, GBMF4419]
- Department of Energy, Office of Basic Energy Sciences [DE-SC0019154]
- DOE BES Grant [DE-FG02-99ER45761]
- U.S. Department of Energy (DOE) [DE-SC0019154, DE-FG02-99ER45761] Funding Source: U.S. Department of Energy (DOE)
The compound UTe2 has recently been shown to realize spin triplet superconductivity from a nonmagnetic normal state. This has sparked intense research activity, including theoretical analyses that suggest the superconducting order parameter to he topologically nontrivial. However, the underlying electronic band structure is a critical factor for these analyses, and remains poorly understood. Here, we present high resolution angle-resolved photoemission measurements covering multiple planes in the 3D Brillouin zone of UTe2, revealing distinct Fermi-level features from two orthogonal quasi-one-dimensional light electron bands and one heavy band. The electronic symmetries are evaluated in comparison with numerical simulations, and the resulting picture is discussed as a platform for unconventional many body order.
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