New Variants and Other Results for the Casimir Effect

Shmuel Nussinov


Tel-Aviv University
School of Physics and Astronomy
Kaplun Bldg 404
Ramat Aviv
Tel-Aviv, Israel

We discuss a new variant of the Casimir effect involving unisotropic and misaligned conductivities in the two parallel plates.

The effect is exactly computed using path integral techniques and we discuss the feasibility of its experimental measurement.

We argue that the Casimir energy of two separate conducting bodies is always negative and that the repulsive Casimir effect computed for specific geometries ( As opposed to that due to electric.magnetic
polarizabilities) cannot be directly measured.

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