Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2002-08-19
Phys.Lett.A311:87-92,2003
Physics
High Energy Physics
High Energy Physics - Theory
Revtex file, 6 pages, 1 figure, minor changes in the text, version to appear in Phys. Lett. A
Scientific paper
10.1016/S0375-9601(03)00463-8
We show that the rational Calogero model with suitable boundary condition admits quantum states with non-equispaced energy levels. Such a spectrum generically consists of infinitely many positive energy states and a single negative energy state. The new states appear for arbitrary number of particles and for specific ranges of the coupling constant. These states owe their existence to the self-adjoint extensions of the corresponding Hamiltonian, which are labelled by a real parameter z. Each value of z corresponds to a particular spectrum, leading to inequivalent quantizations of the model.
Basu-Mallick Bireswar
Ghosh Pijush K.
Gupta Kumar S.
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