Comments on two-loop four-particle amplitude in superstring theory

2003/03/18 by Wu-Jun Bao, Chuan-Jie Zhu · 2 citations
Mathematics · Physics and Astronomy · #Advanced Algebra and Geometry #Amplitude #Black Holes and Theoretical Physics #Green–Schwarz mechanism #M-theory #Quantum Mechanics and Non-Hermitian Physics #Riemann hypothesis #Riemann surface #Superstring theory #Symmetry (geometry) #hep-th

paper · pdf · doi:10.1088/1126-6708/2003/05/056

published as JHEP0305:056,2003 · 10 pages, Latex file

arxiv created 2003/03/18 · openalex publication_date 2003/05/23 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

It is shown that the four-particle amplitude of superstring theory at two loops obtained in [1,2] is equivalent to the previously obtained results in [3,4,5]. Here the \bf Z₂ symmetry in hyperelliptic Riemann surface plays an important role in the proof.

Citations

• Non-Abelian Born–Infeld action and type I–heterotic duality (II): Nonrenormalization theorems
• Supersymmetry constraints on type IIB supergravity
• Effects of D-instantons
• Non-Abelian Born–Infeld action and Type I–heterotic duality (I): Heterotic F6 terms at two loops
• Computing theR4term at two Superstring Loops
• Superstring modifications of Einstein's equations
• The geometry of string perturbation theory
• Two-loop superstrings IV
• Two-loop superstrings.

Cited by

• Two-loop superstrings VI Nonrenormalization theorems and the 4-point function
• Four-point one-loop amplitude computation in the pure spinor formalism