Abstract
One-dimensional quantum systems with continuous variables were treated exactly by Bethe’s ansatz beginning with the work of LIEB and LINIGER [1] and YANG and YANG [2] on the Bose gas with repulsive delta-function interactions. SUTHERLAND [3] generalized the method to other integrable systems, where Bethe’s ansatz does not give the exact but only the asymptotic wave functions; however, this is sufficient to obtain the ground state energy and the excitation spectrum.
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References
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© 1985 Springer-Verlag Berlin Heidelberg
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Mertens, F.G., Hader, M. (1985). Solitons in the Quantum Toda Lattice. In: Takeno, S. (eds) Dynamical Problems in Soliton Systems. Springer Series in Synergetics, vol 30. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-02449-2_13
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DOI: https://doi.org/10.1007/978-3-662-02449-2_13
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