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Perturbative Gauge Theory As A String Theory In Twistor Space
Edward Witten
Perturbative scattering amplitudes in Yang-Mills theory have many unexpected properties, such as holomorphy of the maximally helicity violating amplitudes. To interpret these resul…
A Relation Between Approaches to Integrability in Superconformal Yang-Mills Theory
Louise Dolan, Chiara R. Nappi, Edward Witten
We make contact between the infinite-dimensional non-local symmetry of the typeIIB superstring on AdS5xS5 worldsheet theory and a non-abelian infinite-dimensional symmetry algebra…
SL(2,Z) Action On Three-Dimensional Conformal Field Theories With Abelian Symmetry
Edward Witten
On the space of three-dimensional conformal field theories with U(1) symmetry and a chosen coupling to a background gauge field, there is a natural action of the group $SL(2,{\bf Z…
Residues and World-Sheet Instantons
Chris Beasley, Edward Witten
We reconsider the question of which Calabi-Yau compactifications of the heterotic string are stable under world-sheet instanton corrections to the effective space-time superpotenti…
Proton Decay in Intersecting D-brane Models
Igor R. Klebanov, Edward Witten
We analyze proton decay via dimension six operators in certain GUT-like models derived from Type IIA orientifolds with -branes. The amplitude is parametrically enhanced by a fa…
Chiral Rings and Phases of Supersymmetric Gauge Theories
Freddy Cachazo, Nathan Seiberg, Edward Witten
We solve for the expectation values of chiral operators in supersymmetric U(N) gauge theories with matter in the adjoint, fundamental and anti-fundamental representations. A simple…