Control of Beam Halo-Chaos by Soliton

Chin. Phys. Lett.

2005, Vol. 22

Issue (9): 2180-2182 DOI:

Original Articles

Control of Beam Halo-Chaos by Soliton

BAI Long¹;WENG Jia-Qiang²;FANG Jin-Qing³

¹Department of Physics, College of Science, China University of Mining and Technology, Xuzhou 221008 ²College of Physics and Information Technology, Guangxi Normal University, Guilin 541004 ³China Institute of Atomic Energy, Beijing 102413

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BAI Long, WENG Jia-Qiang, FANG Jin-Qing 2005 Chin. Phys. Lett. 22 2180-2182

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Abstract The Kapchinsky--Vladimirsky beam through an alternating-gradient quadrupole magnetic field is studied using the particle-core model. The beam halo-chaos is found, and the soliton controller is proposed based on the mechanism of halo formation and strategy of controlling halo-chaos. We perform a multiparticle simulation to control the halo by soliton controller, and find that the halo-chaos and its regeneration can be eliminated. It is shown that our control method is effective.

Keywords: 05.45.Pq

Published: 01 September 2005

PACS:

05.45.Pq

(Numerical simulations of chaotic systems)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2005/V22/I9/02180

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