About: Ab initio No-core Shell Model Calculations in a SU(3)-based Coupling Scheme

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://iopscience.iop.org/1742-6596/387/1/012016
Description	We use powerful algorithms of computational group theory to perform ab initio configuration-interaction calculations in a SU(3)-based symmetry-adapted many-particle basis. We demonstrate that eigenfunctions for the low-lying states of 6Li, 8Be, 12C, and 16O exhibit a strong dominance of low proton, neutron, and total intrinsic spins that carry the same spatial deformation as the leading symplectic Sp(3,R) irreducible representations. Our findings imply that only a small fraction of the complete model space is needed to model nuclear collective dynamics, deformation, and ff-particle clustering even if one uses modern realistic interactions that do not preserve SU(3) symmetry. This in turn points to the importance of using a symmetry-adapted framework, one based on a LS coupling scheme with the associated spatial configurations organized according to deformation. We use powerful algorithms of computational group theory to perform ab initio configuration-interaction calculations in a SU(3)-based symmetry-adapted many-particle basis. We demonstrate that eigenfunctions for the low-lying states of 6Li, 8Be, 12C, and 16O exhibit a strong dominance of low proton, neutron, and total intrinsic spins that carry the same spatial deformation as the leading symplectic Sp(3,R) irreducible representations. Our findings imply that only a small fraction of the complete model space is needed to model nuclear collective dynamics, deformation, and ff-particle clustering even if one uses modern realistic interactions that do not preserve SU(3) symmetry. This in turn points to the importance of using a symmetry-adapted framework, one based on a LS coupling scheme with the associated spatial configurations organized according to deformation. (en)
Title	Ab initio No-core Shell Model Calculations in a SU(3)-based Coupling Scheme Ab initio No-core Shell Model Calculations in a SU(3)-based Coupling Scheme (en)
skos:prefLabel	Ab initio No-core Shell Model Calculations in a SU(3)-based Coupling Scheme Ab initio No-core Shell Model Calculations in a SU(3)-based Coupling Scheme (en)
skos:notation	RIV/68407700:21240/12:00194946!RIV13-MSM-21240___
http://linked.open...avai/predkladatel	Fakulta informačních technologií
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Langr, Daniel
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	České vysoké učení technické v Praze / Fakulta informačních technologií
http://linked.open...dnocenehoVysledku	120745
http://linked.open...ai/riv/idVysledku	RIV/68407700:21240/12:00194946
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	ab initio; shell model; nuclear structure; SU(3); coupling (en)
http://linked.open.../riv/klicoveSlovo	SU(3) ab initio coupling nuclear structure shell model
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[C340B8C21832]
http://linked.open...i/riv/nazevZdroje	Journal of Physics: Conference Series
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	387
http://linked.open...iv/tvurceVysledku	Draayer, J. P. Dytrych, T. Langr, Daniel Launey, K. D.
http://linked.open...ain/vavai/riv/wos	000309660800016
issn	1742-6588
number of pages	6 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/1742-6596/387/1/012016
http://localhost/t...ganizacniJednotka	21240
is http://linked.open...avai/riv/vysledek of	Ab initio No-core Shell Model Calculations in a SU(3)-based Coupling Scheme

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