Numerische Untersuchungen charakteristischer Größen eines Plasmamodells

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Wilke, K.: Numerische Untersuchungen charakteristischer Größen eines Plasmamodells. In: Zeitschrift für Naturforschung - Section A Journal of Physical Sciences 23 (1968), Nr. 5, S. 761-770. DOI: https://doi.org/10.1515/zna-1968-0522

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Abstract: 
A fully 3-dimensional plasma consisting of up to 96 charged particles is simulated in a computer. The plasma is confined to a sphere (or cube) with specularly reflecting walls. The forces are computed using a predictor corrector method with variable time steps. From initial configurations randomly chosen the evolution of the plasma is followed numerically. Distribution functions and moments with respect to various phase variables are obtained as time averages: The distribution of velocity, kinetic and potential energy, of the electric microfield, the micropotential as measured at a neutral point of reference (usually the center of the system), the mean square electric field, the microfield correlation function and the particle relaxation times. As the sphere used in the experiments has dimensions only slightly larger than the Debye sphere, collective phenomena and those due to major density fluctuations cannot be expected. Despite these limitations the mean electric field is found to be high by approx. 10% compared to the Holtsmark field. Furthermore other comparisons to existing theories with respect to the variables already mentioned are carried out. © 1968, Walter de Gruyter. All rights reserved.
License of this version: CC BY-NC-ND 3.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 1968
Appears in Collections:Fakultät für Mathematik und Physik

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1 image of flag of Germany Germany 29 87.88%
2 image of flag of Russian Federation Russian Federation 2 6.06%
3 image of flag of Czech Republic Czech Republic 1 3.03%
4 image of flag of Argentina Argentina 1 3.03%

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