Stochastic (E x B) diffusion of ions in a spatially periodical potential field

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Fältnamn	Indikatorer	Metadata
000		01720naa a2200301 4500
001		oai:DiVA.org:kth-19697
003		SwePub
008		100810s2000 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-196972 URI
024	7	a https://doi.org/10.1238/Physica.Topical.084a002212 DOI
040		a (SwePub)kth
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Krlin, L.4 aut
245	1 0	a Stochastic (E x B) diffusion of ions in a spatially periodical potential field
264	1	c 2000
338		a print2 rdacarrier
500		a QC 20100525
520		a In this contribution, the stochastic (E x B) motion of ions in a homogeneous magnetic field and in a spatially periodical electrostatic potential is discussed. This approach is used for the simulation of ion diffusion in potential structures formed at the boundary plasma in tokamaks. Nonintegrability of the system causes the spatial diffusion of ions. Depending on the choice of parameters, this diffusion has either the usual random-walk character, or appears, for sufficiently strong nonlinearity, in the form of Levy walks. The diffusion coefficient is sufficiently high for heavy impurities. Possible further applications are mentioned.
700	1	a Stockel, J.4 aut
700	1	a Svoboda, V.4 aut
700	1	a Tendler, Michaelu KTH,Alfvénlaboratoriet4 aut0 (Swepub:kth)u1prduyi
710	2	a KTHb Alfvénlaboratoriet4 org
773	0	t Physica scripta. Tg T84, s. 221-224q T84<221-224x 0281-1847
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-19697
856	4 8	u https://doi.org/10.1238/Physica.Topical.084a00221

Av författaren/redakt...: Krlin, L.; Stockel, J.; Svoboda, V.; Tendler, Michael

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