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  Summing the Instantons in Half-Twisted Linear Sigma Models

McOrist, J., & Melnikov, I. V. (2009). Summing the Instantons in Half-Twisted Linear Sigma Models. Journal of High Energy Physics, 2009(02): 026. doi:10.1088/1126-6708/2009/02/026.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4511-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-4512-0
Genre: Journal Article

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 Creators:
McOrist, Jock, Author
Melnikov, Ilarion V.1, Author              
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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 Abstract: We study half-twisted linear sigma models relevant to (0,2) compactifications of the heterotic string. Focusing on theories with a (2,2) locus, we examine the linear model parameter space and the dependence of genus zero half-twisted correlators on these parameters. We show that in a class of theories the correlators and parameters separate into A and B types, present techniques to compute the dependence, and apply these to some examples. These results should bear on the mathematics of (0,2) mirror symmetry and the physics of the moduli space and Yukawa couplings in heterotic compactifications.

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 Dates: 2009-02-10
 Publication Status: Published in print
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 Identifiers: eDoc: 378610
Other: arXiv:0810.0012v1 [hep-th]
URI: http://arxiv.org/abs/0810.0012
DOI: 10.1088/1126-6708/2009/02/026
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Title: Journal of High Energy Physics
Source Genre: Journal
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Pages: - Volume / Issue: 2009 (02) Sequence Number: 026 Start / End Page: - Identifier: ISSN: 1126-6708