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Showing papers by "Suresh Govindarajan published in 2002"

Journal Article•DOI•
Disc instantons in linear sigma models

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Suresh Govindarajan1, T. Jayaraman2, Tapobrata Sarkar3•
Indian Institute of Technology Madras1, Institute of Mathematical Sciences, Chennai2, Tata Institute of Fundamental Research3
16 Dec 2002-Nuclear Physics
TL;DR: In this paper, a linear sigma model for the moduli space of open-string instantons is constructed for the case of holomorphic disc instantons, and the results in agreement with those of Aganagic, Klemm and Vafa are obtained.

44 citations

Journal Article•DOI•
D-branes on Calabi-Yau Manifolds and Superpotentials

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Michael R. Douglas1, Suresh Govindarajan2, T. Jayaraman, Alessandro Tomasiello3•
Rutgers University1, Indian Institute of Technology Madras2, École Polytechnique3
19 Mar 2002-arXiv: High Energy Physics - Theory
TL;DR: In this article, the authors show how to compute terms in an expansion of the world-volume superpotential for fairly general D-branes on the quintic Calabi-Yau using linear sigma model techniques.
Abstract: We show how to compute terms in an expansion of the world-volume superpotential for fairly general D-branes on the quintic Calabi-Yau using linear sigma model techniques, and show in examples that this superpotential captures the geometry and obstruction theory of bundles and sheaves on this Calabi-Yau.

4 citations