| Paper |
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| THPAF069 |
Particle Tracking Simulation of Collective Modes - Parametric Landau Damping Off Coupling Resonance |
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- A. Macridin, J.F. Amundson, A.V. Burov, P. Spentzouris, E.G. Stern
Fermilab, Batavia, Illinois, USA
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Employing Synergia simulations with the DMD method we investigate the Landau damping of space charge modes in bunched beams. The simulations reveal two instances of the parametric damping mechanism in bunched beams. The first example occurs in the proximity of coupling resonance and is due to the oscillation of particles' amplitudes in the transverse plane. This oscillation modulates the mode-particle coupling with particle dependent trapping frequency. The second example is due to the modulation of the mode-particle coupling in one transverse plane by the oscillatory motion in the other plane.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2018-THPAF069
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