Tailoring the thermal Casimir force with graphene

Details Tailoring the thermal Casimir force with graphene Tailoring the thermal Casimir force with graphene

2011-08-18

arxiv.org/abs/1108.3856v1

Physics

Condensed Matter

Other Condensed Matter

6 pages, 2 figures, will be published in EPL

Scientific paper

The Casimir interaction is omnipresent source of forces at small separations between bodies, which is difficult to change by varying external conditions. Here we show that graphene interacting with a metal can have the best known force contrast to the temperature and the Fermi level variations. In the distance range 50-300 nm the force is measurable and can vary a few times for graphene with a bandgap much larger than the temperature. In this distance range the main part of the force is due to the thermal fluctuations. We discuss also graphene on a dielectric membrane as a technologically robust configuration.

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