Summary
Coherent states of the photon field are rigorously described within the framework of a space-time formalism. The given form allows a rigorous treatment of gauge invariance.
Riassunto
Si descrivono rigorosamente stati coerenti del campo dei fotoni nel quadro del formalismo spazio-temporale. La forma scelta permette un trattamento rigoroso dell’invarianza di gauge.
Реэюме
Строго описываются когерентные состояния фотонного поля в рамках пространственно-вр еменного формалиэма. Укаэанная форма допускает точное рассмотрение калибровочной инвариантности.
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References
R. J. Glauber:Phys. Rev.,130, 2528 (1963);131, 2766 (1963);Optique et electronique quantique (Les Houches, 1964).
D. Kastler:Introduction à l’électrodynamique quantique (Paris, 1961).
F. Rocca:Journ. de Phys.,28, 113 (1967).
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Rocca, F., Sirugue, M. Remarks on coherent states in quantum field theory. Nuovo Cimento B (1965-1970) 52, 142–148 (1967). https://doi.org/10.1007/BF02710659
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DOI: https://doi.org/10.1007/BF02710659