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Applications of the pure spinor partition function

Grant number: 16/07944-2
Support type:Research Grants - Visiting Researcher Grant - International
Duration: November 13, 2016 - May 16, 2017
Field of knowledge:Physical Sciences and Mathematics - Physics
Principal Investigator:Nathan Jacob Berkovits
Grantee:Nathan Jacob Berkovits
Visiting researcher: Mikhail Movshev
Visiting researcher institution: Stony Brook University (SB), United States
Home Institution: Instituto de Física Teórica (IFT). Universidade Estadual Paulista (UNESP). Campus de São Paulo. São Paulo , SP, Brazil
Associated research grant:11/11973-4 - ICTP South American Institute for Fundamental Research: a regional center for theoretical physics, AP.TEM


Using the pure spinor formalism, it was possible to compute for the first time the 3-loop superstring amplitude. But the relation of this computation with the conventional RNS formalism for the superstring is not yet understood.During his visit, Prof. Movshev will collaborate with Profs. Berkovits and Mikhailov on studying the relation between the computations using the two formalisms. Prof. Movshev is an expect in the partition function of beta-gamma systems, and recently developed methods for computing the pure spinor partition function. (AU)