Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2007-06-16
Phys. Lett. B 652 (2007) 388-389
Physics
High Energy Physics
High Energy Physics - Theory
Pages 12 and 13 are the very short version of ''Erratum to Phys. Lett. B647 (2007) 519''. Pages 1-11 contain detailed calculat
Scientific paper
The Wilson loop in the non-commutative dipole field theory is re-examined within the framework of dual gravity description. In contrast to the previous investigations, we let the dual string be moving along the deformed $S^5$ and find the exact expression of the interquark potential. The potential shows a Coulomb behavior at all distance and does not have a minimum distance between quarks, which exhibits in the static configuration. After comparing the potential of the static and moving configurations we find that while the dual string is static at long distance it will transit to a moving configuration at short distance. We also analyze an electric dipole system and find that it shows a similar transition property. Finally, we mention the unsuitable approximation made in the previous paper [hep-th/0701069] and find that the interquark potential in a gauge theory with a non-constant non-commutativity has a Coulomb behavior at all distance.
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