A symplectic, symmetric algorithm for spatial evolution of particles in a time-dependent field |
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| Authors: | A Ruzzon Y Elskens F Doveil |
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| Institution: | a Equipe turbulence plasma, case 321, PIIM, UMR 6633 CNRS, Aix-Marseille université, campus Saint-Jérôme, FR-13397 Marseille cedex 13, France
b Consorzio RFX, Corso Stati Uniti 4, IT-35127 Padova, Italy |
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| Abstract: | A symplectic, symmetric, second-order scheme is constructed for particle evolution in a time-dependent field with a fixed spatial step. The scheme is implemented in one space dimension and tested, showing excellent adequacy to experiment analysis. Higher order schemes are deduced by composition. |
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| Keywords: | Symplectic integrator Wave-particle interaction Hamiltonian chaos Resonance overlap Traveling wave tube |
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