A Remark on One-Dimensional Many-Body Problems with Point Interactions

Details A Remark on One-Dimensional Many-Body Problems with Point Interactions A Remark on One-Dimensional Many-Body Problems with Point Interactions

2000-01-25

arxiv.org/abs/quant-ph/0001089v1

Int.J.Mod.Phys. B14 (2000) 721

Physics

Quantum Physics

10 pages, Latex

Scientific paper

10.1142/S0217979200000601

The integrability of one dimensional quantum mechanical many-body problems with general contact interactions is extensively studied. It is shown that besides the pure (repulsive or attractive) $\delta$-function interaction there is another singular point interactions which gives rise to a new one-parameter family of integrable quantum mechanical many-body systems. The bound states and scattering matrices are calculated for both bosonic and fermionic statistics.

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