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| Natura: | Preprint |
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2024
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| Accesso online: | https://arxiv.org/abs/2412.21186 |
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| _version_ | 1866929651975192576 |
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| author | Berkheim, Jonathan Levy, Shaked Tannor, David J. |
| author_facet | Berkheim, Jonathan Levy, Shaked Tannor, David J. |
| contents | The Kicked Rotor is perhaps the simplest physical model to illuminate the transition from regular to chaotic motion in classical mechanics. It is also widely applied as a model of light-matter interactions. In the conventional treatment, the infinitesimal width of each kick allows an immediate integration of the equations of motion. This in turn allows a full description of the dynamics via a discrete mapping, the Standard Map, if one looks at the dynamics only stroboscopically. It turns out that this model is only part of a much richer story if one accounts for finite temporal width of the kick. In this letter, we formulate a general model of finite-width periodic forcing and derive a continuous set of maps that depend on a parameter shift $Δ$ that allows one to capture the motion in both the driven and kicked regimes. The fixed points and symmetry of the mapping are shown analytically and numerically to depend on the value of the shift parameter. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_21186 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The Gaussian Kicked Rotor: Periodic forcing with finite-width pulses and the role of shifting the kick Berkheim, Jonathan Levy, Shaked Tannor, David J. Chaotic Dynamics The Kicked Rotor is perhaps the simplest physical model to illuminate the transition from regular to chaotic motion in classical mechanics. It is also widely applied as a model of light-matter interactions. In the conventional treatment, the infinitesimal width of each kick allows an immediate integration of the equations of motion. This in turn allows a full description of the dynamics via a discrete mapping, the Standard Map, if one looks at the dynamics only stroboscopically. It turns out that this model is only part of a much richer story if one accounts for finite temporal width of the kick. In this letter, we formulate a general model of finite-width periodic forcing and derive a continuous set of maps that depend on a parameter shift $Δ$ that allows one to capture the motion in both the driven and kicked regimes. The fixed points and symmetry of the mapping are shown analytically and numerically to depend on the value of the shift parameter. |
| title | The Gaussian Kicked Rotor: Periodic forcing with finite-width pulses and the role of shifting the kick |
| topic | Chaotic Dynamics |
| url | https://arxiv.org/abs/2412.21186 |