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arXiv 2101.11698cond-mat.mes-hallcond-mat.other
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双层石墨烯莫尔量子点结构中的大扭曲角

Large twisting angles in Bilayer graphene Moire quantum dot structures

Jozef Bucko, František Herman

摘要:

最近对乱层双层石墨烯中的公度结构的探索表明,大角度扭曲可以通过降低单层石墨烯的能谱内的有效速度来处理。在我们的工作中,我们使用这个结果作为出发点,旨在通过大角度扭曲的双层石墨烯(即莫尔)量子点系统的物理理解。我们表明,在这个简单的方法中,使用第一次量子化的语言,另一个迄今尚未实现的(不符合我们的知识),说明性的性质的对易关系出现在石墨烯物理。有趣的是,大的扭转角显示出是石墨烯系统中位置对称性的合适的调谐旋钮。完整的概述大角度扭曲所考虑的点系统。

英文摘要:

Recent exploration of the commensurate structure in the turbostratic double layer graphene shows that the large angle twisting can be treated by the decrease of the effective velocity within the energy spectra of the single layer graphene. Within our work, we use this result as a starting point, aiming towards understanding the physics of by a large angle twisted double layer graphene (i.e. Moire) quantum dot systems. We show that within this simple approach using the language of the first quantization, yet another so far unrealized (not up to our knowledge), illustrative property of the commutation relation appears in the graphene physics. Intriguingly, large twisting angles show to be a suitable tunning knob of the position symmetry in the graphene systems. Complete overview of the large angle twisting on the considered dot systems is provided.

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