Sphaleron glueballs in NBI theory with symmetrized traceстатья

Статья опубликована в высокорейтинговом журнале

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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.

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[1] Dyadichev V. V., Gal'tsov D. V. Sphaleron glueballs in nbi theory with symmetrized trace // Nuclear Physics B. — 2000. — Vol. 590, no. 3. — P. 504–518. We derive a closed expression for the SU(2) Born-Infeld action with the symmetrized trace for static spherically symmetric purely magnetic configurations. The lagrangian is obtained in terms of elementary functions. Using it, we investigate glueball solutions to the hat space NBI theory and their self-gravitating counterparts. Such solutions, found previously in the NBI model with the square root-ordinary trace lagrangian, are shown to persist in the theory with the symmetrized trace lagrangian as well. Although the symmetrized trace NBI equations differ substantially from those of the theory with the ordinary trace, a qualitative picture of glueballs remains essentially the same. Gravity further reduces the difference between solutions in these two models, and, for sufficiently large values of the effective gravitational coupling, solutions tends to the same limiting form. The black holes in the NBI theory with the symmetrized trace are also discussed. (C) 2000 Elsevier Science B.V. All rights reserved. [ DOI ]

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