Modulational instabilities within the thermal wave model description of high energy charged particle beam dynamics

Within the thermal wave model (TWM) description, an investigation was made of the longitudinal instability properties of a coasting high energy charged particle beam, where the interaction between the beam and its surroundings is characterized in terms of a complex impedance. The analysis is shown t...

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Bibliographic Details
Published inPhysics letters. A Vol. 258; no. 4; pp. 244 - 248
Main Authors Anderson, D, Fedele, R, Vaccaro, V, Lisak, M, Berntson, A, Johanson, S
Format Journal Article
LanguageEnglish
Published Elsevier B.V 26.07.1999
Subjects
Beam distribution
Charged particles
Complex impedance
Conventional techniques
High energy charged particle
Longitudinal instability
Modulational instability
Particle beam dynamics
Particle beams
Thermal wave
Vlasov equation
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Summary:Within the thermal wave model (TWM) description, an investigation was made of the longitudinal instability properties of a coasting high energy charged particle beam, where the interaction between the beam and its surroundings is characterized in terms of a complex impedance. The analysis is shown to correctly reproduce the characteristic features of the coherent instability as obtained previously by conventional techniques based on the Vlasov equation for the beam distribution. The results further validate the TWM approach as a consistent alternative description for analyzing the dynamics of high energy charged particle beams.
ISSN:0375-9601
1873-2429
1873-2429
DOI:10.1016/S0375-9601(99)00374-6