Geodesic
Density-density correlation function of a system of molecular excitons
Teoretičeskaâ i matematičeskaâ fizika, Tome 48 (1981) no. 1, pp. 129-136 
A. Yu. Gaevskii; I. G. Kaplan; M. A. Puvinskii. Density-density correlation function of a system of molecular excitons. Teoretičeskaâ i matematičeskaâ fizika, Tome 48 (1981) no. 1, pp. 129-136. http://geodesic.mathdoc.fr/item/TMF_1981_48_1_a13/
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     title = {Density-density correlation function of a~system of molecular excitons},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
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     url = {http://geodesic.mathdoc.fr/item/TMF_1981_48_1_a13/}
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Voir la notice de l'article provenant de la source Math-Net.Ru

The correlations in a system of molecular excitons are considered in the framework of a two-level scheme with dynamic interaction. The density-density correlation function is found in an approximation in which the process of Iinearization of the interaction operator takes into account alI pairings and also the kinematic properties of the exeiton operators. The calculated binary correlation function is compared with the binary correlation functions of Bose and Fermi gases.

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