Multiparametric oscillator Hamiltonians with exact bound states in infinite-dimensional space

Details Multiparametric oscillator Hamiltonians with exact bound states in infinite-dimensional space Multiparametric oscillator Hamiltonians with exact bound states in infinite-dimensional space

2003-04-27

arxiv.org/abs/quant-ph/0304170v3

Rendiconti del Circolo Matematico di Palermo, Ser. II, Suppl. 75 (2005) 333-346.

Physics

Quantum Physics

15 pp incl. 4 tables, presented during 24th Winter School ``Geometry and physics" (Srni, Czech Republic, Januar 17 - 24, 2004)

Scientific paper

Central D-dimensional Hamiltonians $H = p^2 + a |\vec{r}|^2 + b |\vec{r}|^4 + >... + z |\vec{r}|^{4q+2}$ (where z=1) are considered in the limit $D \to \infty$ where numerical experiments revealed recently a new class of q-parametric quasi-exact solutions at $q \leq 5$. We show how a systematic construction of these "privileged" exact bound states may be extended to much higher q (meaning an enhanced flexibility of the shape of the force) at a cost of narrowing the set of wavefunctions (with degree N restricted to the first few non-negative integers). At q=4K+3 we conjecture the validity of a closed formula for the N=3 solutions at all K.

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