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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…
A Note On The Chern-Simons And Kodama Wavefunctions
Edward Witten
Yang-Mills theory in four dimensions formally admits an exact Chern-Simons wavefunction. It is an eigenfunction of the quantum Hamiltonian with zero energy. It is known to be unphy…
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…