Comments on Two-Loop Four-Particle Amplitude in Superstring Theory

Details Comments on Two-Loop Four-Particle Amplitude in Superstring Theory Comments on Two-Loop Four-Particle Amplitude in Superstring Theory

2003-03-18

arxiv.org/abs/hep-th/0303152v1

JHEP0305:056,2003

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, Latex file

Scientific paper

10.1088/1126-6708/2003/05/056

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 ${\bf Z}_2$ symmetry in hyperelliptic Riemann surface plays
an important role in the proof.

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