%0 Book Section %1 statphys23_0158 %A Rizzato, F.B. %A Pakter, R. %A Levin, Y. %B Abstract Book of the XXIII IUPAP International Conference on Statistical Physics %C Genova, Italy %D 2007 %E Pietronero, Luciano %E Loreto, Vittorio %E Zapperi, Stefano %K beam beams dynamics nonequilibrium nonlinear relaxation statphys23 topic-3 %T Wave breaking, particle jets, and emittance growth in intense inhomogeneous charged beams %U http://st23.statphys23.org/webservices/abstract/preview_pop.php?ID_PAPER=158 %X This paper analyses the dynamics of inhomogeneous, magnetically focused high-intensity beams of charged particles. In homogeneous beams the whole system oscillates with a single frequency. When inhomogeneities are added, each fluid element of the beam acquires its own oscillatory frequency. Distinct fluid elements will then eventually move out-of-phase overshooting each other, at which point density will be singularly compressed. Particles become trapped by the high-intensity fields and some are ejected from the wave front in the form of high-speed jets. We find out that there is no threshold for this wave breaking mechanism that debunks the fluid scenario and is arrested when kinetic effects like emittance growth saturate the process. The final state is that of a cold fluid surrounded by a hot halo of higher energy particles.

@incollection{statphys23_0158, abstract = {This paper analyses the dynamics of inhomogeneous, magnetically focused high-intensity beams of charged particles. In homogeneous beams the whole system oscillates with a single frequency. When inhomogeneities are added, each fluid element of the beam acquires its own oscillatory frequency. Distinct fluid elements will then eventually move out-of-phase overshooting each other, at which point density will be singularly compressed. Particles become trapped by the high-intensity fields and some are ejected from the wave front in the form of high-speed jets. We find out that there is no threshold for this wave breaking mechanism that debunks the fluid scenario and is arrested when kinetic effects like emittance growth saturate the process. The final state is that of a cold fluid surrounded by a hot halo of higher energy particles.}, added-at = {2007-06-20T10:16:09.000+0200}, address = {Genova, Italy}, author = {Rizzato, F.B. and Pakter, R. and Levin, Y.}, biburl = {https://www.bibsonomy.org/bibtex/21152e6284cfe1f0517721e68a9aa435a/statphys23}, booktitle = {Abstract Book of the XXIII IUPAP International Conference on Statistical Physics}, editor = {Pietronero, Luciano and Loreto, Vittorio and Zapperi, Stefano}, interhash = {4dfcfb89b5b09256f37af408d936454a}, intrahash = {1152e6284cfe1f0517721e68a9aa435a}, keywords = {beam beams dynamics nonequilibrium nonlinear relaxation statphys23 topic-3}, month = {9-13 July}, timestamp = {2007-06-20T10:16:13.000+0200}, title = {Wave breaking, particle jets, and emittance growth in intense inhomogeneous charged beams}, url = {http://st23.statphys23.org/webservices/abstract/preview_pop.php?ID_PAPER=158}, year = 2007 }