Work

One-loop double copy relation from twisted (co)homology

Year: 2024
Type: article
Abstract: A bstract We propose a geometric relation between closed and open string amplitudes at one-loop. After imposing a homological splitting on the world-sheet torus, twisted intersection theory is used to establish a one-loop double copy relation. The latter expresses a closed string amplitude by a pair of open string amplitudes and twisted intersection numbers. These inner products on the vector space of twisted differential forms are related to the twisted homology and cohomology groups associated with the Riemann-Wirtinger integral.
Language: English
Open Access status: diamond
OpenAlex ID: W4403628790
FWCI: 0.715
Cites: 28
Cited by: 10
Related to: 10