Superstring Sigma Model Computations Using the Pure Spinor Formalism
arXiv:0808.1755
Abstract
In this thesis are presented two aplications of the sigma model for the superstring in the pure spinor formulation. The first aplication concerns the computation of the one-loop conformal invariance for the type II superstring, resulting in equations of motion written in superspace for the background fields coupled to the superstring. The second application is related to the BRST invariance of the heterotic superstring at the quantum level, which allows to find stringy corrections to the ten-dimensional super Yang-Mills/supergravity constraints.
Ph.D Thesis, 91 pages, 29 diagrams
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