Pull-in control due to Casimir forces using external magnetic fields

Details Pull-in control due to Casimir forces using external magnetic fields Pull-in control due to Casimir forces using external magnetic fields

2009-07-13

arxiv.org/abs/0907.2264v1

Physics

Quantum Physics

accepted for publication in App. Phys. Lett

Scientific paper

We present a theoretical calculation of the pull-in control in capacitive micro switches actuated by Casimir forces, using external magnetic fields. The external magnetic fields induces an optical anisotropy due to the excitation of magneto plasmons, that reduces the Casimir force. The calculations are performed in the Voigt configuration, and the results show that as the magnetic field increases the system becomes more stable. The detachment length for a cantilever is also calculated for a cantilever, showing that it increases with increasing magnetic field. At the pull-in separation, the stiffness of the system decreases with increasing magnetic field.

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