Origin of Magnetic Stochasticity and Transport in Plasma Microturbulence

Hatch, D. R.; Pueschel, M. J.; Jenko, F.; Nevins, W. M.; Terry, P. W.; Doerk, H.

doi:10.1103/physrevlett.108.235002

Title: Origin of Magnetic Stochasticity and Transport in Plasma Microturbulence

Journal Article · Wed Jun 06 00:00:00 EDT 2012 · Physical Review Letters

DOI:https://doi.org/10.1103/physrevlett.108.235002· OSTI ID:1756157

Hatch, D. R. ^[1]; Pueschel, M. J. ^[1]; Jenko, F. ^[1]; Nevins, W. M. ^[2]; Terry, P. W. ^[3]; Doerk, H. ^[1]

EURATOM Association, Garching (Germany)
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Univ. of Wisconsin, Madison, WI (United States)

In this paper, nonlinear excitation of linearly stable microtearing modes—with zonal modes acting as a catalyst—is shown to be responsible for the near-ubiquitous magnetic stochasticity and associated electromagnetic electron heat transport in electromagnetic gyrokinetic simulations of plasma microturbulence.

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Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE National Nuclear Security Administration (NNSA)

DOE Contract Number:: AC52-07NA27344; AC05-00OR22725

OSTI ID:: 1756157

Report Number(s):: LLNL-JRNL-496612; 510972

Journal Information:: Physical Review Letters, Vol. 108, Issue 23; ISSN 0031-9007

Publisher:: American Physical Society (APS)

Country of Publication:: United States

Language:: English

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Role of subdominant stable modes in plasma microturbulence Hatch, D. R.; Terry, P. W.; Jenko, F. Physics of Plasmas, Vol. 18, Issue 5 https://doi.org/10.1063/1.3563536	journal	May 2011
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