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arXiv 1703.02500cond-mat.mes-hallhep-thquant-ph
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应变石墨烯的Casimir相互作用

Casimir interaction of strained graphene

M. Bordag, I. Fialkovsky, D. Vassilevich

摘要:

我们计算了两个独立的石墨烯样品在单轴应变下的Casimir相互作用。我们的方法充分考虑到延迟和色散,是基于量子场论的极化算子的电导率表达式。该力对应变的实际值的依赖性相当弱,与非应变情况相比,其最大值仅变化百分之几。

英文摘要:

We calculate the Casimir interaction of two freestanding graphene samples under uniaxial strain. Our approach fully takes retardation and dispersion into account and is based on quantum field theoretical expressions for conductivities in terms of the polarization operator. The force shows a rather weak dependence on the realistic values of strain, changing just by a few percent in its maximum as compared to the non-strained case.

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