About: Nuclear vorticity in isoscalar E1 modes: Skyrme-random-phase approximation analysis

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About: Nuclear vorticity in isoscalar E1 modes: Skyrme-random-phase approximation analysis Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1103/PhysRevC.89.024321
Description	Two basic concepts of nuclear vorticity, hydrodynamical (HD) and Rawenthall-Wambach (RW), are critically inspected. As a test case, we consider the interplay of irrotational and vortical motion in isoscalar electric dipole E1(T = 0) modes in Pb-208, namely the toroidal and compression modes. The modes are described in a self-consistent random-phase approximation (RPA) with the Skyrme force SLy6. They are examined in terms of strength functions, transition densities, current fields, and form factors. It is shown that the RW conception (suggesting the upper component of the nuclear current as the vorticity indicator) is not robust. The HD vorticity is not easily applicable either because the definition of a velocity field is too involved in nuclear systems. Instead, the vorticity is better characterized by the toroidal strength which closely corresponds to HD treatment and is approximately decoupled from the continuity equation. Two basic concepts of nuclear vorticity, hydrodynamical (HD) and Rawenthall-Wambach (RW), are critically inspected. As a test case, we consider the interplay of irrotational and vortical motion in isoscalar electric dipole E1(T = 0) modes in Pb-208, namely the toroidal and compression modes. The modes are described in a self-consistent random-phase approximation (RPA) with the Skyrme force SLy6. They are examined in terms of strength functions, transition densities, current fields, and form factors. It is shown that the RW conception (suggesting the upper component of the nuclear current as the vorticity indicator) is not robust. The HD vorticity is not easily applicable either because the definition of a velocity field is too involved in nuclear systems. Instead, the vorticity is better characterized by the toroidal strength which closely corresponds to HD treatment and is approximately decoupled from the continuity equation. (en)
Title	Nuclear vorticity in isoscalar E1 modes: Skyrme-random-phase approximation analysis Nuclear vorticity in isoscalar E1 modes: Skyrme-random-phase approximation analysis (en)
skos:prefLabel	Nuclear vorticity in isoscalar E1 modes: Skyrme-random-phase approximation analysis Nuclear vorticity in isoscalar E1 modes: Skyrme-random-phase approximation analysis (en)
skos:notation	RIV/00216208:11320/14:10289444!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA13-07117S)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Kvasil, Jan Repko, Anton
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	33234
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10289444
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	pb-208; resonance; scattering; excitation; sum-rules; compression modes (en)
http://linked.open.../riv/klicoveSlovo	excitation scattering pb-208 sum-rules resonance compression modes
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[BA40FE271562]
http://linked.open...i/riv/nazevZdroje	Physical Review C - Nuclear Physics
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Statistical approaches to quantum many-body systems
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	89
http://linked.open...iv/tvurceVysledku	Kvasil, Jan Nesterenko, V. O. Reinhard, P. -G. Repko, Anton
http://linked.open...ain/vavai/riv/wos	000332174300002
issn	0556-2813
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1103/PhysRevC.89.024321
http://localhost/t...ganizacniJednotka	11320

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