2012/10/31 by Yung-Yeh Chang, Bo Feng, Chih-Hao Fu +3 · 10 citations
Computer Science · Mathematics · Physics and Astronomy · #Algebraic structures and combinatorial models #Non-critical string theory #Quantum Computing Algorithms and Architecture #Recursion (computer science) #Relation (database) #String (physics) #String cosmology #String duality #String field theory #String phenomenology #hep-ph #hep-th #semigroups and automata theory
paper · pdf · doi:10.1007/jhep02(2013)028
published in Journal of High Energy Physics 2013(2) (Springer Nature) · Minor corrections. Accepted for publication in Journal of High Energy Physics
arxiv created 2013/01/17 · openalex publication_date 2013/02/01 · arxiv updated 2015/06/11 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05
In the application of on-shell recursion relation to string amplitudes, one challenge is the sum over infinite intermediate on-shell string states. In this note, we show how to sum these infinite states explicitly by including unphysical states to make complete Fock space.