Volume 54, Number 6, June II 2001
|Page(s)||715 - 721|
|Section||The physics of elementary particles and fields|
|Published online||01 December 2003|
Confining strings in the Abelian-projected SU(3)-gluodynamics II. 4D case with θ-term
INFN-Sezione di Pisa, Università degli studi di Pisa, Dipartimento di Fisica
Via Buonarroti, 2 - Ed. B, I-56127 Pisa, Italy and Institute of Theoretical
and Experimental Physics, B. Cheremushkinskaya 25
RU-117 218 Moscow, Russia
Accepted: 2 April 2001
The generalization of 4D confining string theory to the SU(3)-inspired case is derived. It describes string representation of the Wilson loop in the SU(3) analogue of compact QED extended by the θ-term. It is shown that although the obtained theory of confining strings differs from that of compact QED, their low-energy limits have the same functional form. This fact leads to the appearance of the string θ-term in the low-energy limit of the SU(3)-inspired confining string theory. In particular, it is shown that in the extreme strong-coupling regime, the crumpling of string world sheets could disappear owing to the string θ-term at . Finally, some characteristic features of the SU(N) case are pointed out.
PACS: 12.38.Aw – General properties of QCD (dynamics, confinement, etc.) / 12.38.Lg – Other nonperturbative calculations / 11.15.-q – Gauge field theories
© EDP Sciences, 2001
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