Action-gradient-minimizing pseudo-orbits and almost-invariant tori
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Dewar, Robert; Hudson, Stuart R; Gibson, Ashley
Description
Transport in near-integrable, but partially chaotic, 112 degree-of-freedom Hamiltonian systems is blocked by invariant tori and is reduced at almost-invariant tori, both associated with the invariant tori of a neighboring integrable system. " Almost invariant" tori with rational rotation number can be defined using continuous families of periodic pseudo-orbits to foliate the surfaces, while irrational-rotation-number tori can be defined by nesting with sequences of such rational tori. Three...[Show more]
Collections | ANU Research Publications |
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Date published: | 2011 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/17347 |
Source: | Communications in Nonlinear Science and Numerical Simulation |
DOI: | 10.1016/j.cnsns.2011.04.022 |
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