Hamiltonian control used to improve the beam stability in particle accelerator models

Jehan Boreux, Timoteo Carletti, Haris Skokos, Michel Vittot

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Résumé

We derive a Hamiltonian control theory which can be applied to a 4D symplectic map that models a ring particle accelerator composed of elements with sextupole nonlinearity. The controlled system is designed to exhibit a more regular orbital behavior than the uncontrolled one. Using the Smaller Alignment Index (SALI) chaos indicator, we are able to show that the controlled system has a dynamical aperture up to 1.7 times larger than the original model.
langue originaleAnglais
Pages (de - à)1725-1738
Nombre de pages14
journalCommunication in Nonlinear Science and Numerical Simulation
Volume17
Numéro de publication4
Etat de la publicationPublié - 2012

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