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Impact of main ion pressure anisotropy on stellarator impurity transport

Abstract:

Main ions influence impurity dynamics through a variety of mechanisms; in particular, via impurity-ion collisions. To lowest order in an expansion in the main ion mass over the impurity mass, the impurity-ion collision operator only depends on the component of the main ion distribution that is odd in the parallel velocity. These lowest order terms give the parallel friction of the impurities with the main ions, which is typically assumed to be the main cause of collisional impurity transport....

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1088/1741-4326/ab581f

Authors


Velasco, JL More by this author
García-Regaña, JM More by this author
Publisher:
IOP Publishing Publisher's website
Journal:
Nuclear Fusion Journal website
Publication date:
2019-12-11
Acceptance date:
2019-11-15
DOI:
Pubs id:
pubs:1035901
URN:
uri:d6bf1ad7-0d6e-489d-a681-859e638afdf0
UUID:
uuid:d6bf1ad7-0d6e-489d-a681-859e638afdf0
Local pid:
pubs:1035901
Keywords:

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