| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Repulsive and Restoring Casimir Forces Based on Magneto-Optical Effect |
| ZENG Ran1**, YANG Ya-Ping2,3
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1School of Telecommunication, Hangzhou Dianzi University, Hangzhou 310018
2Department of Physics, Tongji University, Shanghai 200092
3Beijing Computational Science Research Center, Beijing 100084
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| Cite this article: |
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ZENG Ran, YANG Ya-Ping 2011 Chin. Phys. Lett. 28 054201 |
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Abstract The Casimir force direction tuned by the external magnetic field due to the magneto-optical Voigt effect is investigated. The magneto-optical effect gives rise to the modified frequency-dependent electric permittivity and thus the electromagnetic properties of the materials can be adjusted to satisfy the condition of the formation of repulsive Casimir force. It is found that between the ordinary dielectric slab and magneto-optical material slab, a repulsive force may exist by adjusting the applied magnetic field. The restoring Casimir force can also be obtained if suitable parameter values are taken. For realistic materials, the repulsive and the restoring force is shown to possibly take place at typical distances in microelectromechanical systems.
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| Keywords:
42.60.Da
42.50.Ct
12.20.-m
31.30.Jh
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Received: 17 November 2010
Published: 26 April 2011
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| PACS: |
42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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42.50.Ct
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(Quantum description of interaction of light and matter; related experiments)
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12.20.-m
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(Quantum electrodynamics)
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31.30.jh
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(QED corrections to long-range and weak interactions)
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