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Two-Dimensional Models With (0,2) Supersymmetry: Perturbative Aspects
Edward Witten
Certain perturbative aspects of two-dimensional sigma models with (0,2) supersymmetry are investigated. The main goal is to understand in physical terms how the mathematical theory…
The Hitchin functionals and the topological B-model at one loop
Vasily Pestun, Edward Witten
The quantization in quadratic order of the Hitchin functional, which defines by critical points a Calabi-Yau structure on a six-dimensional manifold, is performed. The conjectured…
Non-Abelian Localization For Chern-Simons Theory
Chris Beasley, Edward Witten
We reconsider Chern-Simons gauge theory on a Seifert manifold M (the total space of a nontrivial circle bundle over a Riemann surface). When M is a Seifert manifold, Lawrence and R…
Direct Proof Of Tree-Level Recursion Relation In Yang-Mills Theory
Ruth Britto, Freddy Cachazo, Bo Feng +1
Recently, by using the known structure of one-loop scattering amplitudes for gluons in Yang-Mills theory, a recursion relation for tree-level scattering amplitudes has been deduced…