2 papers
hep-th2026
String Amplitudes on Integer Rectangles
Song He, Yong Zhang, Fan Zhu +1
Hidden zeros of tree-level string amplitudes of colored scalars lie on loci specified by integer-valued dimensionless momentum contractions arranged in rectangles on the kinematic…
hep-th2026
Fermionic hidden zeros
Yong Zhang, Pengfei Zhu
We uncover and prove a general class of hidden zeros in tree-level amplitudes with massless fermions. For arbitrary even numbers and arbitrary arrangements of massless real adjoint…