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Titolo:
Exact solutions in Einstein-Yang-Mills-Dirac systems
Autore:
Rudolph, G; Tok, T; Volobuev, I;
Indirizzi:
Univ Leipzig, Inst Theoret Phys, D-04109 Leipzig, Germany Univ Leipzig Leipzig Germany D-04109 oret Phys, D-04109 Leipzig, Germany Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow 119899, Russia Moscow MV Lomonosov State Univ Moscow Russia 119899 oscow 119899, Russia
Titolo Testata:
JOURNAL OF MATHEMATICAL PHYSICS
fascicolo: 11, volume: 40, anno: 1999,
pagine: 5890 - 5904
SICI:
0022-2488(199911)40:11<5890:ESIES>2.0.ZU;2-M
Fonte:
ISI
Lingua:
ENG
Soggetto:
ARBITRARY GAUGE GROUPS; BLACK-HOLES; SPHALERONS; FIELDS; COSMOLOGIES; VIOLATION; ANOMALIES; NUMBER; STATE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
31
Recensione:
Indirizzi per estratti:
Indirizzo: Rudolph, G Univ Leipzig, Inst Theoret Phys, Augustuspl 10, D-04109 Leipzig, Germany Univ Leipzig Augustuspl 10 Leipzig Germany D-04109 ig, Germany
Citazione:
G. Rudolph et al., "Exact solutions in Einstein-Yang-Mills-Dirac systems", J MATH PHYS, 40(11), 1999, pp. 5890-5904

Abstract

For the first time, exact solutions for the full self-consistent Einstein-Yang-Mills-Dirac systems with gauge groups SU(2) and SU(4) in Robertson-Walker space-time RxS(3) are presented, which are symmetric under the action of the group SO(4) of spatial rotations. The approach is based on the dimensional reduction method for gauge, spinor, and gravitational fields and relates symmetric solutions in EYMD theory to certain solutions of an effectivedynamic system. The solutions are interpreted as solutions of the cosmological type with an oscillating Yang-Mills field, which exchanges energy witha spinor field. The explicit form of the solution for the spinor field shows that its energy changes the sign in the process of the evolution of the Yang-Mills field from one vacuum to another. (C) 1999 American Institute ofPhysics. [S0022-2488(99)04710-6].

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Documento generato il 08/07/20 alle ore 05:15:54