S-Duality, Noncritical Open String and Noncommutative Gauge Theory

Details S-Duality, Noncritical Open String and Noncommutative Gauge Theory S-Duality, Noncritical Open String and Noncommutative Gauge Theory

2000-07-11

arxiv.org/abs/hep-th/0007089v2

Phys.Lett. B499 (2001) 215-222

Physics

High Energy Physics

High Energy Physics - Theory

Latex, 12 pages, 2 eps figures, version to appear in Phys. Lett. B

Scientific paper

10.1016/S0370-2693(01)00029-6

We examine several aspects of S-duality of four-dimensional noncommutative gauge theory. By making duality transformation explicit, we find that S-dual of noncommutative gauge theory is defined in terms of dual noncommutative deformation. In `magnetic' noncommutative U(1) gauge theory, we show that, in addition to gauge bosons, open D-strings constitute important low-energy excitations: noncritical open D-strings. Upon S-duality, they are mapped to noncritical open F-strings. We propose that, in dual `electric' noncommutative U(1) gauge theory, the latters are identified with gauge-invariant, open Wilson lines. We argue that the open Wilson lines are chiral due to underlying parity noninvariance and obey spacetime uncertainty relation. We finally argue that, at high energy-momentum limit, the `electric' noncommutative gauge theory describes correctly dynamics of delocalized multiple F-strings.

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