Deformed Quantum Cohomology and (0,2) Mirror Symmetry

Details Deformed Quantum Cohomology and (0,2) Mirror Symmetry Deformed Quantum Cohomology and (0,2) Mirror Symmetry

2007-10-12

arxiv.org/abs/0710.2354v4

JHEP 1008:109,2010

Physics

High Energy Physics

High Energy Physics - Theory

AMSLatex, 30 pages, one eps figure. V4: typos corrected, final version appearing in JHEP

Scientific paper

10.1007/JHEP08(2010)109

We compute instanton corrections to correlators in the genus-zero topological subsector of a (0,2) supersymmetric gauged linear sigma model with target space P1xP1, whose left-moving fermions couple to a deformation of the tangent bundle. We then deduce the theory's chiral ring from these correlators, which reduces in the limit of zero deformation to the (2,2) ring. Finally, we compare our results with the computations carried out by Adams et al.[ABS04] and Katz and Sharpe[KS06]. We find immediate agreement with the latter and an interesting puzzle in completely matching the chiral ring of the former.

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