Gluon condensate, Wilson loops and gauge/string duality

Gluon condensate, Wilson loops and gauge/string duality

We test gauge/string duality by evaluating expectation values of small Wilson loops in pure Yang-Mills theories. On the gauge theory side, there exists a rich phenomenology. The dual formulation provides a universal language to evaluate the gluon condensate and quadratic correction in terms of the m...

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Veröffentlicht in:Physical review. D, Particles and fields Particles and fields, 2007-08, Vol.76 (4), Article 047705
Hauptverfasser: Andreev, Oleg, Zakharov, Valentin I.
Format: Artikel
Sprache:eng
Schlagworte:
COORDINATES
CORRECTIONS
DUALITY
GAUGE INVARIANCE
GLUON CONDENSATION
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QUANTUM FIELD THEORY
STRING MODELS
WILSON LOOP
YANG-MILLS THEORY
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Beschreibung
Zusammenfassung:We test gauge/string duality by evaluating expectation values of small Wilson loops in pure Yang-Mills theories. On the gauge theory side, there exists a rich phenomenology. The dual formulation provides a universal language to evaluate the gluon condensate and quadratic correction in terms of the metric in the fifth coordinate. Quantitatively, the estimated value of the gluon condensate is approximately 0.010 GeV{sup 4}.
ISSN:1550-7998
0556-2821
1550-2368
1089-4918
DOI:10.1103/PhysRevD.76.047705