Quasi-exact minus-quartic oscillators in strong-core regime

Details Quasi-exact minus-quartic oscillators in strong-core regime Quasi-exact minus-quartic oscillators in strong-core regime

2006-02-28

arxiv.org/abs/quant-ph/0602231v2

Phys. Lett. A 359 (2006) 21 - 25

Physics

Quantum Physics

Scientific paper

10.1016/j.physleta.2006.05.075

PT-symmetric potentials $V({x}) = -{x}^4 +\j B {x}^3 + C {x}^2+\j D {x} +\j F/{x} +G/{x}^2$ are quasi-exactly solvable, i.e., a specific choice of a small $G=G^{(QES)}= integer/4$ is known to lead to wave functions $\psi^{(QES)}(x)$ in closed form at certain charges $F=F^{(QES)}$ and energies $E=E^{(QES)}$. The existence of an alternative, simpler and non-numerical version of such a construction is announced here in the new dynamical regime of very large $G^{(QES)} \to \infty$.

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