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arXiv 0907.3242hep-thcond-mat.mes-hallquant-ph
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Dirac模型描述的理想导体与石墨烯之间的Casimir相互作用

Casimir interaction between a perfect conductor and graphene described by the Dirac model

M. Bordag, I. V. Fialkovsky, D. M. Gitman, D. V. Vassilevich

摘要:

采用Dirac模型计算了平面悬浮石墨烯样品与平行平面理想导体之间的Casimir相互作用能。这是通过两种方式完成的。首先,我们用量子场论方法计算了2+1维费米子与3+1维光子相互作用系统的主序图。接下来,我们考虑一个有效的理论与匹配条件的电磁场诱导的量子准粒子在石墨烯。结果表明,第一种方法的耦合常数比第二种方法的大。该系统的Casimir相互作用似乎相当弱。它表现出很强的依赖于石墨烯中的准粒子的质量。

英文摘要:

We adopt the Dirac model for graphene and calculate the Casimir interaction energy between a plane suspended graphene sample and a parallel plane perfect conductor. This is done in two ways. First, we use the Quantum Field Theory (QFT) approach and evaluate the leading order diagram in a theory with 2+1 dimensional fermions interacting with 3+1 dimensional photons. Next, we consider an effective theory for the electromagnetic field with matching conditions induced by quantum quasi-particles in graphene. The first approach turns out to be the leading order in the coupling constant of the second one. The Casimir interaction for this system appears to be rather weak. It exhibits a strong dependence on the mass of the quasi-particles in graphene.

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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