Authors extend symplectic split-operator integration via phase-space enlargement to classical plasma electron dynamics and to infinite-dimensional TDDFT, and supply a cheap accuracy metric.
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Semiclassical Herman-Kluk evolution matches quantum Wigner functions for multiple Ehrenfest times in a kicked system despite sub-Planckian classical filaments and islands affecting accuracy.
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Extended phase-space symplectic integration for electron dynamics
Authors extend symplectic split-operator integration via phase-space enlargement to classical plasma electron dynamics and to infinite-dimensional TDDFT, and supply a cheap accuracy metric.
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Semiclassical evolution in phase space for a softly chaotic system
Semiclassical Herman-Kluk evolution matches quantum Wigner functions for multiple Ehrenfest times in a kicked system despite sub-Planckian classical filaments and islands affecting accuracy.