Classical and quantum scaling for localization of half-cycle pulse-driven Rydberg wave packets
Journal Article
·
· Physical Review. A
- Institute for Theoretical Physics, Vienna University of Technology, A-1040 Vienna (Austria)
- Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831-6372 (United States)
Rydberg wave packets generated by a single half-cycle pulse (HCP) interacting with a stationary Rydberg state periodically localize within a narrow region in both momentum and coordinate space (i.e., phase space). This property is the key to shaping and manipulating wave packets. We investigate the dependence of this transient localization and focusing on the principal quantum number n and on the strength of the ultrashort HCP (''kick strength,'' {delta}p). It is shown that the localization in momentum space of the wave packet, quantified by the momentum width, obeys a universal scaling rule which is controlled by an effective Planck constant ({Dirac_h}/2{pi}){sub eff}. Maximum focusing is reached in the classical limit (({Dirac_h}/2{pi}){sub eff}{yields}0)
- OSTI ID:
- 20640754
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 2 Vol. 69; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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