Time-dependent neoclassical viscosity

A. L. Garcia-Perciante, J. D. Callen, K. C. Shaing, C. C. Hegna

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


A time-dependent closure for the parallel viscous force is calculated in a bumpy cylinder magnetic field geometry using a Chapman-Enskog-like approach. The calculation is valid for all times and field modulations, and is expressed as a dynamic evolution in time. Two important applications are presented: modification of the frequency-dependent electrical conductivity due to the interaction between trapped and circulating particles, and the parallel flow evolution which can be extended to axisymmetric geometries.

Original languageEnglish
Article number052516
Pages (from-to)1-11
Number of pages11
JournalPhysics of Plasmas
Issue number5
Publication statusPublished - 2005 May

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics


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