Geodesic
Exactly solvable model of Bose gas with impurity
Teoretičeskaâ i matematičeskaâ fizika, Tome 25 (1975) no. 2, pp. 275-279 
G. E. Gurgenishvili; G. A. Kharadze; L. A. Chobanian. Exactly solvable model of Bose gas with impurity. Teoretičeskaâ i matematičeskaâ fizika, Tome 25 (1975) no. 2, pp. 275-279. http://geodesic.mathdoc.fr/item/TMF_1975_25_2_a12/
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     title = {Exactly solvable model of {Bose} gas with impurity},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
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     year = {1975},
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Voir la notice de l'article provenant de la source Math-Net.Ru

The one-dimensional system consisting of $N-1$ identical particles (bosons) and one “impurity” particle is considered. The equation for wave numbers $\{k\}$ defining the energy of the system is obtained. The limiting case of infinitely strong repulsion between Bose-particles is investigated.

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