Dewar, Robert; Hudson, Stuart R; Gibson, Ashley
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]
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