Canonical quantization of electromagnetism in spatially dispersive media
arXiv:1309.0398 · doi:10.1088/1367-2630/16/1/013030
Abstract
We find the action that describes the electromagnetic field in a spatially dispersive, homogeneous medium. This theory is quantized and the Hamiltonian is diagonalized in terms of a continuum of normal modes. It is found that the introduction of nonlocal response in the medium automatically regulates some previously divergent results, and we calculate a finite value for the intensity of the electromagnetic field at a fixed frequency within a homogeneous medium. To conclude we discuss the potential importance of spatial dispersion in taming the divergences that arise in calculations of Casimir-type effects.
16 pages
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Cited by in corpus (13)
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