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Stopping Power in Strongly Coupled Plasmas

Published online by Cambridge University Press:  09 March 2009

K. Morawetz
K. Morawetz
Affiliation:
Max-Planck-Gesellschaft, AG Theoretische Vielteilchenphysik, an der Universität Rostock, 18055 Rostock, Germany
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Abstract

The stopping power of dense nonideal plasmas is calculated in different approximations. The T-matrix approximation for binary collisions is compared with the random phase approximation (RPA) approximation for dielectric fluctuations. Within a microscopic model, the dynamical evolution of the velocity of the projectile is calculated. It reproduces well experimental values for the stopping of fast heavy ions. Further improvements due to correlations are discussed. Both concepts, cluster decomposition and memory, are compared and it is found that they lead to the same quantum virial corrections of the Beth-Uhlenbeck type in equilibrium. However, memory in the kinetic equation causes an additional renormalization of the effective energy transfer in nonequilibrium.

Type
Research Article
Information
Laser and Particle Beams , Volume 15 , Issue 4 , December 1997 , pp. 507 - 521
Copyright
Copyright © Cambridge University Press 1997

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