Controlled acceleration of a modulated quantum bouncer
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Cold atoms bouncing on a modulated atomic mirror exhibit dynamic localization and acceleration subject to modulated strength. We explain the characteristics of acceleration using accelerated mapping and define control parameters. We show that the effective Planck’s constant plays a vital role in limiting overall linear growth of accelerated atoms with time. For large values of the effective Planck’s constant, the atomic quantum accelerated is seized if the localization window overlaps the accelerated window.
KeywordsFermi accelerator quantum bouncer accelerating mapping dynamical localization quantum mapping and unbounded acceleration dynamical delocalization
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