Representations of the Electromagnetic Field
A full description of the electromagnetic field requires a quantum statistical treatment. The electromagnetic field has an infinite number of modes and each mode requires a statistical description in terms of its allowed quantum states. However, as the modes are described by independent Hilbert spaces, we may form the statistical description of the entire field as the product of the distribution function for each mode. This enables us to confine our description to a single mode without loss of generality.
KeywordsCoherent State Density Operator Wigner Function Wigner Distribution Photon Number Distribution
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- 4.3J.R. Klauder, E.C.G. Sudarshan: Fundamentals of Quantum Optics (Benjamin, New York 1968)Google Scholar