期刊
PHYSICAL REVIEW B
卷 89, 期 8, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.89.081407
关键词
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资金
- CPAN [CSD2007-00042]
- HEP-HACOS [S2009/ESP-1473]
- [FIS2011-23713]
- [PIB2010BZ-00512]
- [FPA2012-32828]
- [SEV-2012-0249]
- [ANR-10-JCJC-0408 HYPERMAG]
The axial magneticeffect, i.e., the generation of an energy current parallel to an axial magnetic field coupling with opposite signs to left-and right-handed fermions, is a nondissipative transport phenomenon intimately related to the gravitational contribution to the axial anomaly. An axial magnetic field emerges naturally in condensed matter in so-called Weyl semimetals. We present a measurable implementation of the axial magnetic effect. We show that the edge states of a Weyl semimetal at finite temperature possess a temperature dependent angular momentum in the direction of the vector potential intrinsic to the system. Such a realization provides a plausible context for the experimental confirmation of the elusive gravitational anomaly.
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