期刊
PHYSICAL REVIEW LETTERS
卷 121, 期 19, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.121.197002
关键词
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资金
- Gordon and Betty Moore Foundation's EPiQS Initiative [GBMF4374]
- Center for Novel Pathways to Quantum Coherence in Materials, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Basic Energy Sciences
- National Science Foundation [DMR-1157490, DMR-1644779]
- State of Florida
- U.S. Department of Energy Office of Basic Energy Sciences Science at 100 T program
- National Science Foundation Graduate Research Fellowship [DGE 1106400]
- Quantum Materials program at Lawrence Berkeley National Laboratory - Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division of the U.S. Department of Energy [DE-AC02-05CH11231]
The phenomenon of T-linear resistivity commonly observed in a number of strange metals has been widely seen as evidence for the breakdown of the quasiparticle picture of metals. This study shows that a recently discovered H/T scaling relationship in the magnetoresistance of the strange metal BaFe2(As1-x P-x)(2) is independent of the relative orientations of current and magnetic field. Rather, its magnitude and form depend only on the orientation of the magnetic field with respect to a single crystallographic axis: the direction perpendicular to the magnetic iron layers. This finding suggests that the magnetotransport scaling does not originate from the conventional averaging or orbital velocity of quasiparticles as they traverse a Fermi surface, but rather from dissipation arising from two-dimensional correlations.
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