S-duality, Noncritical Open String and Noncommutative Gauge Theory

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Authors

REY Soo-Jong VON UNGE Rikard

Year of publication 2000
Type Article in Periodical
Magazine / Source Physics Letters B
MU Faculty or unit

Faculty of Science

Citation
Web http://arXiv.org/ps/hep-th/0007089
Field Elementary particles and high-energy physics
Keywords D-branes; noncommutative geometry; noncommutative open string theory
Description 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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