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  (0,2) Landau-Ginzburg Models and Residues

Melnikov, I. V. (2009). (0,2) Landau-Ginzburg Models and Residues. Journal of high energy physics: JHEP, 2009(09): 118. doi:10.1088/1126-6708/2009/09/118.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-604F-1 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-4874-9
Genre: Journal Article

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 Creators:
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 the topological heterotic ring in (0,2) Landau-Ginzburg models without a (2,2) locus. The ring elements correspond to elements of the Koszul cohomology groups associated to a zero-dimensional ideal in a polynomial ring, and the computation of half-twisted genus zero correlators reduces to a map from the first non-trivial Koszul cohomology group to complex numbers. This map is a generalization of the local Grothendieck residue. The results may be applied to computations of Yukawa couplings in a heterotic compactification at a Landau-Ginzburg point.

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 Dates: 2009
 Publication Status: Published in print
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 Identifiers: eDoc: 429151
arXiv: 0902.3908
DOI: 10.1088/1126-6708/2009/09/118
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Title: Journal of high energy physics : JHEP
Source Genre: Journal
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Publ. Info: Bologna, Italy : Società italiana di fisica
Pages: - Volume / Issue: 2009 (09) Sequence Number: 118 Start / End Page: - Identifier: ISSN: 1126-6708
CoNE: /journals/resource/111021927548002