Semiclassical dynamics of circular-orbit Rydberg wave packets
Mark Mallalieu and C. R. Stroud, Jr.
Phys. Rev. A 49, 2329 (1994).
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A semiclassical propagator is applied to describe the dynamics of
circular-orbit wave packets which are initially well localized in three
dimensions. A sum over classical Kepler trajectories for the wave-packet
autocorrelation function is obtained which is extremely accurate well past
the classical regime of the evolution regime of the wave packet. The
nonclassical nature of the wave-packet evolution at long times is
associated with the interference between amplitudes from classical paths at
different energies. The time scale of the wave-packet revivals is related
to the shearing rate of the corresponding classical ensemble.
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