About: Single-flavor color superconductivity with color-sextet pairing

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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)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Abstrakt: Analyzovali jsme barevnou supravodivost hmotné kvarkové vůně při středních baryonových hustotách. Navrhli jsme nový typ párování v barevném sextetu. Pracovali jsme v rámci Nambu-Jona-Lasiniova modelu v aproximaci středního pole. Selfkonzistentní výpočet ukazuje, že základní stav preferuje spontánní narušení barevné SU(3) na podgrupu SO(3), přestože nejobecnější možný tvar dikvarkového kondenzátu umožňuje kompletní narušení symetrie. (cs) We analyze the color superconductivity of one massive flavor quark matter at moderate baryon density. First, we briefly review the framework of color superconductivity. Then, we suggest a mechanism which, within QCD, can lead to formation of a spin-zero color-sextet condensate. The most general form of the order parameter implies a complete breakdown of the SU(3) x U(1) symmetry. However, the conventional fermionic NJL-type description in the mean-field approximation seems to favor an enhanced O(3) symmetry of the ground state. This is ascribed to the use of the mean-field approximation and possible solutions are suggested. We analyze the color superconductivity of one massive flavor quark matter at moderate baryon density. First, we briefly review the framework of color superconductivity. Then, we suggest a mechanism which, within QCD, can lead to formation of a spin-zero color-sextet condensate. The most general form of the order parameter implies a complete breakdown of the SU(3) x U(1) symmetry. However, the conventional fermionic NJL-type description in the mean-field approximation seems to favor an enhanced O(3) symmetry of the ground state. This is ascribed to the use of the mean-field approximation and possible solutions are suggested. (en)
Title	Single-flavor color superconductivity with color-sextet pairing Barevná supravodivost jedné kvarkové vůně s párováním v barevném sextetu (cs) Single-flavor color superconductivity with color-sextet pairing (en)
skos:prefLabel	Single-flavor color superconductivity with color-sextet pairing Barevná supravodivost jedné kvarkové vůně s párováním v barevném sextetu (cs) Single-flavor color superconductivity with color-sextet pairing (en)
skos:notation	RIV/61389005:_____/05:00000924!RIV06-GA0-61389005
http://linked.open.../vavai/riv/strany	9;16
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA202/02/0847)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2006
http://linked.open...aciTvurceVysledku	Brauner, Tomáš
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	Ústav jaderné fyziky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	542827
http://linked.open...ai/riv/idVysledku	RIV/61389005:_____/05:00000924
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	color superconductivity; spontaneous symmetry breaking (en)
http://linked.open.../riv/klicoveSlovo	color superconductivity spontaneous symmetry breaking
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[912F7AE4D49C]
http://linked.open...i/riv/nazevZdroje	Czechoslovak Journal of Physics
http://linked.open...in/vavai/riv/obor	BE
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Low-temperature ordered phases of quantum chromodynamics (QCD) at finite baryon densities
http://linked.open...UplatneniVysledku	2005
http://linked.open...v/svazekPeriodika	55
http://linked.open...iv/tvurceVysledku	Brauner, Tomáš
issn	0011-4626
number of pages	8 (xsd:int)

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