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Physics and Astronomy

Physics & Astronomy Colloquium

3:30 PM, Friday, December 3, 2010
Room 155, Chem-Phys Building

Dr. Joseph P. Straley
Department of Physics and Astronomy
University of Kentucky

The Weyl Expansion and the Casimir Effect

The Casimir effect is an interaction between objects that is due to the quantum fluctuations of the electromagnetic field in the space around them. It is an alternate way to describe the Van der Waals interaction.

Calculating this interaction leads to mathematical difficulties that have hampered understanding of the effect. I will show that the problems originate in physical effects; they can't be renormalized away because they are real.

Refreshments will be served in CP 179 at 3:15 PM