Fiber Z-pinch Experiments and Calculations in the Finite Larmor Radius Regime

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Fältnamn	Indikatorer	Metadata
000		03144naa a2200469 4500
001		oai:DiVA.org:kth-240854
003		SwePub
008		190104s1996 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-2408542 URI
024	7	a https://doi.org/10.1017/S02630346000099882 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 Haines, M. G.4 aut
245	1 0	a Fiber Z-pinch Experiments and Calculations in the Finite Larmor Radius Regime
264	1	c 1996
338		a print2 rdacarrier
500		a QCR 20190108
520		a The dense Z-pinch project at Imperial College is aimed at achieving radiative collapse to high density in a hydrogen plasma, and also to study plasmas close to controlled fusion conditions. To this end, the MAGPIE generator (2.4 MV, 1.25, and 200 ns) has been built and tested, and is now giving preliminary experimental data at 60% of full voltage for carbon and CD2 fibers. These discharges are characterized by an initial radial expansion followed by the occurrence of m = 0 structures with transient X-ray emission from bright spots. Late in the discharge a disruption can occur, accompanied by hard X-ray emission from the anode due to an energetic electron beam and, in the case of CD2 fibers, a neutron burst. Concomitant theoretical studies have solved the linear stability problem for a Z-pinch with large ion Larmor radii, showing that a reduction in growth rate of m = 0 and m = 1 modes to about 20% of the magnetohydrodynamic (MHD) value can occur for a parabolic density profile when the Larmor radius is optimally 20% of the pinch radius. Two dimensional MHD simulations of Z-pinches in two extremes of focussed short-pulse laserplasma interactions and of galactic jets reveal a nonlinear stabilizing effect in the presence of sheared flow. One-dimensional simulations show that at low line density the lower hybrid drift instability can lead to coronal radial expansion of a Z-pinch plasma.
653		a Fysik
653		a Physics
700	1	a Dangor, A. E.4 aut
700	1	a Coppins, M.4 aut
700	1	a Choi, P.4 aut
700	1	a Mitchell, I. H.4 aut
700	1	a Chittenden, J. P.4 aut
700	1	a Bayley, J. M.4 aut
700	1	a Aliaga-Rossel, R. F.4 aut
700	1	a Arber, T. D.4 aut
700	1	a Beg, F.4 aut
700	1	a Bell, A. R.4 aut
700	1	a Scheffel, Jan,d 1954-u KTH,Fusionsplasmafysik4 aut0 (Swepub:kth)u1qrgzes
700	1	a Decker, G.4 aut
700	1	a Russell, P.4 aut
700	1	a Worley, J. F.4 aut
710	2	a KTHb Fusionsplasmafysik4 org
773	0	t Laser and particle beams (Print)g 14, s. 261-271q 14<261-271x 0263-0346x 1469-803X
856	4	u https://www-cambridge-org.focus.lib.kth.se/core/journals/laser-and-particle-beams/article/fiber-zpinch-experiments-and-calculations-in-the-finite-larmor-radius-regime/148815D6D1830E7BDE62C9BE0EFE43E1
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-240854
856	4 8	u https://doi.org/10.1017/S0263034600009988

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Av författaren/redakt...: Haines, M. G.; Dangor, A. E.; Coppins, M.; Choi, P.; Mitchell, I. H.; Chittenden, J. P ...; visa fler...; Bayley, J. M.; Aliaga-Rossel, R ...; Arber, T. D.; Beg, F.; Bell, A. R.; Scheffel, Jan, 1 ...; Decker, G.; Russell, P.; Worley, J. F.; visa färre...

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