期刊
JETP LETTERS
卷 91, 期 6, 页码 314-318出版社
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0021364010060111
关键词
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资金
- Swiss NSF [IZ73Z0_128026]
- European FP7 program [246937]
- RFFR-DFFD [28.2/083]
- Natural Sciences and Engineering Research Council of Canada
- Swiss National Science Foundation (SNF) [IZ73Z0_128026] Funding Source: Swiss National Science Foundation (SNF)
Utilizing the Baym-Kadanoff formalism with the polarization function calculated in the random phase approximation, the dynamics of the nu=0 quantum Hall state in bilayer graphene is analyzed. Two phases with nonzero energy gap, the ferromagnetic and layer asymmetric ones, are found. The phase diagram in the plane ((Delta) over tilde (0), B), where (Delta) over tilde (0) is a top-bottom gates voltage imbalance, is described. It is shown that the energy gap scales linearly, Delta E similar to 14B [T] K, with magnetic field.
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