Experimental investigation of early-time diffusion in the quantum kicked rotor using a Bose-Einstein condensate

G. J. Duffy; S. Parkins; T. Müller; M. Sadgrove; R. Leonhardt; A. C. Wilson

doi:10.1103/PhysRevE.70.056206

Experimental investigation of early-time diffusion in the quantum kicked rotor using a Bose-Einstein condensate

G. J. Duffy, S. Parkins, T. Müller, M. Sadgrove, R. Leonhardt, A. C. Wilson

Broadband Engineering Division

Research output: Contribution to journal › Article › peer-review

54 Citations (Scopus)

Abstract

The measurements of early-time momentum diffusion for the atom-optical delta-kicked rotor (DKR) were analyzed. The Bose-Einstein condensate provided a source of ultracold atoms with an ultranarrow initial momentum distribution which was then subjected to periodic pulses using an intense far-detuned optical standing wave. The effects of varying the effective Planck's constant for the system were also analyzed. It was found that the observed behavior includes quantum resonances (ballistic energy growth) and antiresonances (re-establishment of the initial state).

Original language	English
Article number	056206
Pages (from-to)	056206-1-056206-7
Journal	Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume	70
Issue number	5 2
DOIs	https://doi.org/10.1103/PhysRevE.70.056206
Publication status	Published - 2004 Nov

ASJC Scopus subject areas

Statistical and Nonlinear Physics
Statistics and Probability
Condensed Matter Physics

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10.1103/PhysRevE.70.056206

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abstract = "The measurements of early-time momentum diffusion for the atom-optical delta-kicked rotor (DKR) were analyzed. The Bose-Einstein condensate provided a source of ultracold atoms with an ultranarrow initial momentum distribution which was then subjected to periodic pulses using an intense far-detuned optical standing wave. The effects of varying the effective Planck's constant for the system were also analyzed. It was found that the observed behavior includes quantum resonances (ballistic energy growth) and antiresonances (re-establishment of the initial state).",

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note = "Funding Information: The authors thank A. Daley for help with initial calculations. We acknowledge the support of the Marsden Fund of the Royal Society of New Zealand through Grant Nos. 02UOO910 and UOA016.",

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AU - Parkins, S.

AU - Müller, T.

AU - Sadgrove, M.

AU - Leonhardt, R.

AU - Wilson, A. C.

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Experimental investigation of early-time diffusion in the quantum kicked rotor using a Bose-Einstein condensate

Abstract

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