The supermoduli space of matrix string theory | Zendy

Philippe Brax | Zendy

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The supermoduli space of matrix string theory

Author(s) -

Philippe Brax

Publication year - 2000

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2000/07/020

Subject(s) - instanton , moduli space , riemann surface , matrix (chemical analysis) , string (physics) , string theory , mathematical physics , mathematics , physics , limit (mathematics) , space (punctuation) , non critical string theory , pure mathematics , mathematical analysis , materials science , composite material , linguistics , philosophy

We study matrix string scattering amplitudes and matrix string instantons ona marked Riemann surface in the limit of a vanishing string coupling constant.We give an explicit parameterization of the moduli space of such instantons. Wealso give a description of the set of fermionic supermoduli. The integrationover the supermoduli leads to the inclusion of picture changing operators atthe interaction points. Finally we investigate the large N limit of the measureon the instanton moduli space and show its convergence to the Weil-Peterssonmeasure on the moduli space of marked Riemann surfaces.Comment: 30 Pages, Latex, 2 Postscript figure

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