Dynamical instabilities in heavy-ion collisions |
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| Affiliation: | 1. Université de Lorraine, LIBio, Nancy, F-54000, France;2. Nestlé Research, P.O. Box 44, 26, Lausanne, CH-1000, Switzerland;1. Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta, T6G 2E3, Canada;2. Department of Mathematical and Statistical Sciences, University of Alberta, Edmonton, Alberta, T6G 2G1, Canada |
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| Abstract: | Within the σ-ω model for nuclear matter, an instability in a system of two counterstreaming fluids is discussed. This instability leads, if developed, to a separation of the two currents in space — a periodic structure orthogonal to the beam axis is finally obtained. In contrast to previous results by Ivanov, the maximal growth rate for the instability is shown to occur at a finite wavelength. Furthermore, these growth rates are much lower than calculated before. The influence of vacuum contributions is also discussed. |
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