Chaotic density fluctuations in L-mode plasmas of the DIII-D tokamak

Maggs, J. E.; Rhodes, Terry L.; Morales, G. J.

doi:10.1088/0741-3335/57/4/045004

Title: Chaotic density fluctuations in L-mode plasmas of the DIII-D tokamak

Journal Article · Thu Mar 05 00:00:00 EST 2015 · Plasma Physics and Controlled Fusion

DOI:https://doi.org/10.1088/0741-3335/57/4/045004· OSTI ID:1371741

Maggs, J. E. ^[1]; Rhodes, Terry L. ^[1]; Morales, G. J. ^[1]

Univ. of California, Los Angeles, CA (United States)

Analysis of the time series obtained with the Doppler backscattering system (DBS) in the DIII-D tokamak shows that intermediate wave number plasma density fluctuations in low confinement (L-mode) tokamak plasmas are chaotic. Here, the supporting evidence is based on the shape of the power spectrum; the location of the signal in the complexity-entropy plane (C-H plane); and the population of the corresponding Bandt-Pompe probability distributions.

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Research Organization:: General Atomics, San Diego, CA (United States)

Sponsoring Organization:: USDOE Advanced Research Projects Agency - Energy (ARPA-E)

Grant/Contract Number:: FC02-04ER54698

OSTI ID:: 1371741

Journal Information:: Plasma Physics and Controlled Fusion, Vol. 57, Issue 4; ISSN 0741-3335

Publisher:: IOP ScienceCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 10 works

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