Descendants constructed from matter fields in topological Landau-Ginzburg theories coupled to topological gravity

Details Descendants constructed from matter fields in topological Landau-Ginzburg theories coupled to topological gravity Descendants constructed from matter fields in topological Landau-Ginzburg theories coupled to topological gravity

1992-11-20

arxiv.org/abs/hep-th/9211090v1

Theor.Math.Phys.95:595-603,1993; Teor.Mat.Fiz.95:307-316,1993

Physics

High Energy Physics

High Energy Physics - Theory

Lossev@vxitep.itep.msk.su and @nbivax.nbi.dk (Talk on the Kiev conference on string theory, June 1992)

Scientific paper

10.1007/BF01017145

It is argued that gravitational descendants in Landau-Ginsburg theory coupled to topological gravity can be constructed from the matter fields only. For example, $\sigma_1 (\Phi) = V'\int \Phi$. This descendants turn out to be connected with K.Saito higher residue pairing. Naive computaitions are corrected with the help of the contact term, the form of this term is found. k-point correlation functions on a sphere are calculated.

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