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Application of the Functional Method to the Study of the Stochastic Processes in Plasmas

  • Florin Spineanu
  • Madalina Vlad
Part of the NATO ASI Series book series (NSSB, volume 361)

Abstract

Problems related to the transport processes in plasmas are often expressed as stochastic equations. We develop a formalism where the averages over statistical ensembles are obtained as functional integrations with appropriate measures. For a broad class of noise functions the calculation can be carried out analytically. The method has been successfully applied in the study of the particle motion in stochastic magnetic field and of the magnetic field line diffusion. We have obtained explicit results for the diffusion of particles in the presence of random trapping and for continuum time random walks with Levy distribution.

Keywords

Particle Motion Gauge Field Current Operator Functional Integration Stochastic Equation 
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Copyright information

© Springer Science+Business Media New York 1997

Authors and Affiliations

  • Florin Spineanu
    • 1
  • Madalina Vlad
    • 1
  1. 1.Institute of Atomic PhysicsIFTAR-L.22Magurele BucharestRomania

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