Asymmetric diffusion in the delta-kicked rotor with broken symmetries

We report an experimental investigation of momentum diffusion in the delta-function kicked rotor where time symmetry is broken by a two-period kicking cycle and spatial symmetry by an alternating linear potential. The momentum diffusion constant is thus modified by kick-to-kick correlations which sh...

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Bibliographic Details
Published inarXiv.org
Main Authors Jones, P H, Goonasekera, M, Saunders-Singer, H E, Monteiro, T S, Meacher, D R
Format Paper
LanguageEnglish
Published Ithaca Cornell University Library, arXiv.org 14.04.2005
Subjects
Asymmetry
Dependence
Diffusion
Momentum
Symmetry
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Summary:We report an experimental investigation of momentum diffusion in the delta-function kicked rotor where time symmetry is broken by a two-period kicking cycle and spatial symmetry by an alternating linear potential. The momentum diffusion constant is thus modified by kick-to-kick correlations which show a momentum dependence. We exploit this, and a technique involving a moving optical potential, to create an asymmetry in the momentum diffusion that is due entirely to the chaotic dynamics.
ISSN:2331-8422