Automorphic Forms

Automorphic Forms


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  • Product Description

In this work we give an introduction to automorphic forms in string theory by examining a well-known case in ten-dimensional Type IIB superstring theory. An automorphic form, constructed as a non-holomorphic Eisenstein series, is known to encode all perturbative and non-perturbative quantum corrections in the genus expansion for the R^4-term included in the asymptotic string expansion for the effective action. Furthermore, we study Type IIA superstring theory compactified on a rigid Calabi-Yau threefold. Here a discrete group, the Picard modular group, is believed to be a preserved symmetry of the quantum theory, and an automorphic form is conjectured to encode the quantum corrections to the metric of the hypermultiplet moduli space, which classically is a coset space. To read off the loop corrections arising from the string coupling, as well as the non- perturbative instanton corrections, we rewrite the Eisenstein series as a Fourier series. The Fourier series is decomposed into a constant, abelian and non-abelian part. The main complication arises when trying to identify the coefficients in the non- abelian part. We try to bring some clarity to this issue.

Product Specifications
SKU :COC101046
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-08-18
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