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Generalized canonical statistical operator and entropy of partially coherent radiation

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  • Wiegand, M.

Abstract

Using information-theoretical concepts and Glauber's correlation functions, the statistical operator of an Nth-order partially coherent radiation field is constructed. Special consideration is given to the cases N = 1 and N = 2. The entropy for N = 1 yields the early formula of von Laue. Our results for N > 1 shed new light on the relationship between thermodynamical order of a radiation field, as measured by its entropy, and optical coherence, especially in the quantum-mechanical case.

Suggested Citation

  • Wiegand, M., 1983. "Generalized canonical statistical operator and entropy of partially coherent radiation," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 117(1), pages 265-276.
    • Handle: RePEc:eee:phsmap:v:117:y:1983:i:1:p:265-276
    DOI: 10.1016/0378-4371(83)90036-5
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