Geodesic
Wave functions of the toda chain with boundary interaction
Teoretičeskaâ i matematičeskaâ fizika, Tome 142 (2005) no. 2, pp. 346-364

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We give an integral representation of the wave functions of the quantum $N$-particle Toda chain with boundary interaction. In the case of the Toda chain with a one-boundary interaction, we obtain the wave function by an integral transformation from the wave functions of the open Toda chain. The kernel of this transformation is given explicitly in terms of $\Gamma$-functions. The wave function of the Toda chain with a two-boundary interaction is obtained from the previous wave functions by an integral transformation. In this case, the difference equation for the kernel of the integral transformation admits a separation of variables. The separated difference equations coincide with the Baxter equation.
Keywords: quantum Toda chain, separation of variables, boundary interaction. 
@article{TMF_2005_142_2_a11,
     author = {N. Z. Iorgov and V. N. Shadura},
     title = {Wave functions of the toda chain with boundary interaction},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {346--364},
     publisher = {mathdoc},
     volume = {142},
     number = {2},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2005_142_2_a11/}
}
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N. Z. Iorgov; V. N. Shadura. Wave functions of the toda chain with boundary interaction. Teoretičeskaâ i matematičeskaâ fizika, Tome 142 (2005) no. 2, pp. 346-364. http://geodesic.mathdoc.fr/item/TMF_2005_142_2_a11/