14.2k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- University of Rome Tor VergataIT2.7k papers
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8 papers · 2 filters
Recursion relations from soft theorems
Hui Luo, Congkao Wen
We establish a set of new on-shell recursion relations for amplitudes satisfying soft theorems. The recursion relations can apply to those amplitudes whose additional physical inpu…
Soft theorems from anomalous symmetries
Yu-tin Huang, Congkao Wen
We discuss constraints imposed by soft limits for effective field theories arising from symmetry breaking. In particular, we consider those associated with anomalous conformal symm…
Instanton corrections to the effective action of N=4 SYM
Massimo Bianchi, Jose Francisco Morales, Congkao Wen
We compute the one-instanton effective action of N=4 super Yang-Mills theory with gauge group Sp(2N). The result can be written in a very compact and manifestly supersymmetric form…
Simplifying one-loop amplitudes in superstring theory
Massimo Bianchi, Dario Consoli
We show that 4-point vector boson one-loop amplitudes, computed in ref.[1] in the RNS formalism, around vacuum configurations with open unoriented strings, preserving at least N=1…
Wilson Loops and Chiral Correlators on Squashed Sphere
F. Fucito, J. F. Morales, R. Poghossian
We study chiral deformations of and supersymmetric gauge theories obtained by turning on interactions with the su…
Exact coefficients for higher dimensional operators with sixteen supersymmetries
Wei-Ming Chen, Yu-tin Huang, Congkao Wen
We consider constraints on higher dimensional operators for supersymmetric effective field theories. In four dimensions with maximal supersymmetry and SU(4) R-symmetry, we demonstr…
On the soft limit of open string disk amplitudes with massive states
Massimo Bianchi, Andrea L. Guerrieri
We discuss the soft behaviour of open string amplitudes with gluons and massive states in any dimension. Notwithstanding non-minimal couplings of massive higher spin states to gluo…
Double Soft Theorems in Gauge and String Theories
Anastasia Volovich, Congkao Wen, Michael Zlotnikov
We investigate the tree-level S-matrix in gauge theories and open superstring theory with several soft particles. We show that scattering amplitudes with two or three soft gluons o…