Hendrik Casimir was a renowned Dutch physicist, known for his significant contributions to quantum physics and condensed matter physics. Born on July 15, 1909, and passing away on December 4, 2000, he is particularly famous for his work on the Casimir effect, which describes the phenomenon where uncharged conductive plates placed very closely together in a vacuum experience an attractive force due to quantum fluctuations of the vacuum.
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Hendrik Casimir calculated an attractive interaction between ideal parallel conducting plates from the change in electromagnetic zero-point energy. The boundary conditions alter the allowed field modes; comparing the energy with and without the plates gives a separation-dependent interaction. At zero temperature, the ideal pressure is for plate separation . The Casimir effect connects quantum field fluctuations with a mechanical force, while real materials, finite temperatures and geometry require additional physical modeling.[ref]
On the attraction between two perfectly conducting plates by Hendrik Casimir. Proceedings 51, 793–795 (1948), electromagnetic zero-point-energy calculation
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Portrait of Hendrik Casimir
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