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arXiv 1008.0488cond-mat.mes-hallhep-lathep-th
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双层石墨烯的朗道问题:精确结果

Landau problem for bilayer graphene: Exact results

Young-Hwan Hyun, Yoonbai Kim, Corneliu Sochichiu, Min-Young Choi

摘要:

我们考虑石墨烯双层在一个恒定的磁场的任意取向(即相对于石墨烯平面倾斜)。在紧束缚模型的低能近似下,我们得到了朗道能级的精确谱。在大面内场的极限下,该谱是二重简并的,这就产生了新的SU(2)对称性。

英文摘要:

We consider graphene bilayer in a constant magnetic field of arbitrary orientation (i.e. tilted with respect to the graphene plane). In the low energy approximation to tight binding model with Peierls substitution, we find the exact spectrum of Landau levels. This spectrum is two-fold degenerate in the limit of large in-plane field, which gives rise to a new SU(2) symmetry in this limit.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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