Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2000-07-05
J.Phys.A34:2247-2258,2001
Physics
High Energy Physics
High Energy Physics - Theory
Latex+amssymb.sty, 14 pages
Scientific paper
10.1088/0305-4470/34/11/317
The integral representations for the eigenfunctions of $N$ particle quantum open and periodic Toda chains are constructed in the framework of Quantum Inverse Scattering Method (QISM). Both periodic and open $N$-particle solutions have essentially the same structure being written as a generalized Fourier transform over the eigenfunctions of the $N-1$ particle open Toda chain with the kernels satisfying to the Baxter equations of the second and first order respectively. In the latter case this leads to recurrent relations which result to representation of the Mellin-Barnes type for solutions of an open chain. As byproduct, we obtain the Gindikin-Karpelevich formula for the Harish-Chandra function in the case of $GL(N,\RR)$ group.
Kharchev S.
Lebedev Dimitri
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