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Stability of suspended graphene under Casimir force

机译:悬浮石墨烯在卡西米尔力下的稳定性

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摘要

We consider a graphene sheet suspended above a conducting surface. Treating graphene as an elastic membrane subjected to Casimir force, we study its stability against sagging towards the conductor. There exists a critical elevation at the edges below which the central part of the suspended graphene nucleates a trunk that sinks under the action of the Casimir force. The dependence of the critical elevation on temperature, dimensions, and the elastic stress applied to the graphene sheet is computed.
机译:我们考虑将石墨烯片悬挂在导电表面上方。将石墨烯视为承受卡西米尔(Casimir)力的弹性膜,我们研究了其抗垂挂导体的稳定性。在边缘处存在临界高度,在该临界高度以下,悬浮的石墨烯的中心部分使在卡西米尔力的作用下下沉的主干成核。计算临界高度对温度,尺寸和施加到石墨烯片的弹性应力的依赖性。

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  • 来源
    《Physical review》 |2016年第8期|085424.1-085424.4|共4页
  • 作者

    E. M. Chudnovsky; R. Zarzuela;

  • 作者单位

    Department of Physics and Astronomy, Herbert H. Lehman College, The City University of New York, 250 Bedford Park Boulevard West, Bronx, New York 10468-1589, USA;

    Department of Physics and Astronomy, University of California, Los Angeles, California 90095, USA;

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  • 正文语种 eng
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