期刊
EPL
卷 85, 期 5, 页码 -出版社
EPL ASSOCIATION, EUROPEAN PHYSICAL SOCIETY
DOI: 10.1209/0295-5075/85/57005
关键词
-
资金
- Agence Nationale de la Recherche [ANR-06-NANO-019-03]
The relativistic Landau levels in the layered organic material alpha-(BEDT-TTF)(2)I-3 (BEDT-TTF=bis(ethylenedithio)tetrathiafulvalene) are sensitive to the tilt of the Dirac cones, which, as in the case of graphene, determine the low-energy electronic properties under appropriate pressure. We show that an applied in-plane electric field, which happens to be in competition with the tilt of the cones, lifts the twofold valley degeneracy due to a different level spacing. This scenario may be tested in infrared transmission spectroscopy. Copyright (C) EPLA, 2009
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