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The Casimir force originates from quantum fluctuations. While this force is too weak to have any measurable effects between objects at separations larger than ~ 10 μm it dominates the interaction between electrically neutral surfaces at the nanoscale. By fabricating a doubly clamped microbeam for sensing the force and a comb actuator to control the distance, we demonstrate that the Casimir force can...
The Casimir force arising from quantum fluctuations could become the dominant interaction in silicon micromechanical devices under the appropriate conditions. The measured force is distinct from the pairwise summation of van der Waals forces.
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