Complex paths for regular-to-chaotic tunnelling rates

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書誌事項

公開日
2013-04-01
資源種別
journal article
権利情報
  • http://iopscience.iop.org/info/page/text-and-data-mining
  • http://iopscience.iop.org/page/copyright
DOI
  • 10.1209/0295-5075/102/10005
  • 10.48550/arxiv.1207.0985
公開者
IOP Publishing

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説明

In generic Hamiltonian systems tori of regular motion are dynamically separated from regions of chaotic motion in phase space. Quantum mechanically these phase-space regions are coupled by dynamical tunneling. We introduce a semiclassical approach based on complex paths for the prediction of dynamical tunneling rates from regular tori to the chaotic region. This approach is demonstrated for the standard map giving excellent agreement with numerically determined tunneling rates.

5 pages, 4 figures

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