General Quantum Surface of Section Method

Abstract

A new method for exact quantization of general bound Hamiltonian systems is presented. It is the quantum analogue of the classical Poincare Surface Of Section (SOS) reduction of classical dynamics. The quantum Poincare mapping is shown to be the product of the two generalized (non-unitary but compact) on-shell scattering operators of the two scattering Hamiltonians which are obtained from the original bound one by cutting the f-dim configuration space (CS) along (f-1)-dim configurational SOS and attaching the flat quasi-one-dimensional waveguides instead. The quantum Poincare mapping has fixed points at the eigenenergies of the original bound Hamiltonian. The energy dependent quantum propagator (E - H)^(-1) can be decomposed in terms of the four energy dependent propagators which propagate from and/or to CS to and/or from configurational SOS (which may generally be composed of many disconnected parts). I show that in the semiclassical limit (hbar ---> 0) the quantum Poincare mapping converges to the Bogomolny's propagator and explain how the higher order semiclassical corrections can be obtained systematically.

27 pages, file in plain LaTeX, 2 figures upon request submitted to J. Phys. A. Math. Gen. in November 1994

References in corpus (1)

• Quantum Surface of Section Method: Demonstration of semiclassical Berry-Robnik energy level spacing distribution in a generic 2-dim Hamiltonian system

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