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Unstable Solitons in Noncommutative Gauge Theory
Mina Aganagic, Rajesh Gopakumar, Shiraz Minwalla +1
We find a class of exact solutions of noncommutative gauge theories corresponding to unstable non-BPS solitons. In the two-dimensional euclidean (or 2+1 dimensional lorentzian) U(1…
Symmetry Restoration and Tachyon Condensation in Open String Theory
Rajesh Gopakumar, Shiraz Minwalla, Andrew Strominger
It has recently been argued that D-branes in bosonic string theory can be described as noncommutative solitons, outside whose core the tachyon is condensed to its ground state. We…
OM Theory in Diverse Dimensions
Rajesh Gopakumar, Shiraz Minwalla, Nathan Seiberg +1
Open string theories can be decoupled from closed strings and gravity by scaling to the critical electric field. We propose dual descriptions for the strong coupling limit of these…
S-Duality and Noncommutative Gauge Theory
Rajesh Gopakumar, Juan Maldacena, Shiraz Minwalla +1
It is conjectured that strongly coupled, spatially noncommutative Yang-Mills theory has a dual description as a weakly coupled open string theory in a near critical…
Noncommutative Solitons
Rajesh Gopakumar, Shiraz Minwalla, Andrew Strominger
We find classically stable solitons (instantons) in odd (even) dimensional scalar noncommutative field theories whose scalar potential, $V(\ph)$, has at least two minima. These sol…