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10-dimensional Twistors and superstring amplitudes

Grant number: 16/16824-0
Support type:Scholarships in Brazil - Doctorate
Effective date (Start): March 01, 2017
Field of knowledge:Physical Sciences and Mathematics - Physics
Principal Investigator:Nathan Jacob Berkovits
Grantee:Matheus Loss Lize
Home Institution: Instituto de Física Teórica (IFT). Universidade Estadual Paulista (UNESP). Campus de São Paulo. São Paulo , SP, Brazil
Associated research grant:16/01343-7 - ICTP South American Institute for Fundamental Research: a regional center for theoretical physics, AP.TEM
Associated scholarship(s):19/17805-8 - Extending the chiral string model, BE.EP.DR


Twistor theory and superstring theory were developed in the 1970s as possible alternatives to quantum field theory. Ten years ago these two theories were unified to describe N=4 d=4 super-Yang-Mills producing more efficient methods to compute scattering amplitudes. This doctoral project will be to study the role of twistors in the d=10 superstring formalism with pure spinors and use this twistorial interpretation to simplify the calculations of d=10 super-Yang-Mills and d=10 supergravity amplitudes in the superstring. (AU)

Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
FLORES, HENRIQUE; LIZE, MATHEUS. On the spectrum and spacetime supersymmetry of heterotic ambitwistor string. Journal of High Energy Physics, n. 8 AUG 20 2019. Web of Science Citations: 0.
BERKOVITS, NATHAN; LIZE, MATHEUS. Field theory actions for ambitwistor string and superstring. Journal of High Energy Physics, n. 9 SEP 17 2018. Web of Science Citations: 5.

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