Nonlinear Sciences – Chaotic Dynamics
Scientific paper
2001-06-12
Phys. Rev. Lett. 87, 143002 (2001).
Nonlinear Sciences
Chaotic Dynamics
4 pages, 3 figures
Scientific paper
10.1103/PhysRevLett.87.143002
We undertake a semiclassical analysis of the spectral properties (modulations of photoabsorption spectra, energy level statistics) of a simple Rydberg molecule in static fields within the framework of Closed-Orbit/Periodic-Orbit theories. We conclude that in addition to the usual classically allowed orbits one must consider classically forbidden diffractive paths. Further, the molecule brings in a new type of 'inelastic' diffractive trajectory, different from the usual 'elastic' diffractive orbits encountered in previous studies of atomic and analogous systems such as billiards with point-scatterers. The relative importance of inelastic versus elastic diffraction is quantified by merging the usual Closed Orbit theory framework with molecular quantum defect theory.
Matzkin Alex
Monteiro Tania S.
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