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Twistors, Yang-Mills and Super-String theory

Grant number: 13/11409-7
Support Opportunities:Scholarships abroad - Research Internship - Post-doctor
Start date: July 30, 2013
End date: July 29, 2014
Field of knowledge:Physical Sciences and Mathematics - Physics - Elementary Particle Physics and Fields
Principal Investigator:Andrey Yuryevich Mikhaylov
Grantee:Humberto Gomez Zuñiga
Supervisor: Freddy Cachazo
Host Institution: Instituto de Física Teórica (IFT). Universidade Estadual Paulista (UNESP). Campus de São Paulo. São Paulo , SP, Brazil
Institution abroad: Perimeter Institute for Theoretical Physics, Canada  
Associated to the scholarship:11/13013-8 - Scattering amplitudes, pure spinors and AdS/CFT, BP.PD

Abstract

The twistor space had shown to be a powerful tool to understand the scattering amplitudes in N=4 d=4 Super-Yang-Mills theory. In this project, we intend to utilize a similar approach in order to obtain a better understanding at loop level of N=8 d=4 supergravity as well as of N=1 d=10 SYM theory, which can be the key to find the origin of the pure spinor formalism. (AU)

News published in Agência FAPESP Newsletter about the scholarship:
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Scientific publications (6)
(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)
GOMEZ, HUMBERTO; YUAN, ELLIS YE. N-point tree-level scattering amplitude in the new Berkovits' string. Journal of High Energy Physics, n. 4, . (13/11409-7)
GOMEZ, HUMBERTO; MAFRA, CARLOS R.. The closed-string 3-loop amplitude and S-duality. Journal of High Energy Physics, n. 10, . (13/11409-7)
GOMEZ, HUMBERTO; MAFRA, CARLOS R.; SCHLOTTERER, OLIVER. Two-loop superstring five-point amplitude and S-duality. PHYSICAL REVIEW D, v. 93, n. 4, p. 25-pg., . (13/11409-7)
GOMEZ, HUMBERTO; MAFRA, CARLOS R.. The closed-string 3-loop amplitude and S-duality. Journal of High Energy Physics, v. N/A, n. 10, p. 26-pg., . (13/11409-7)
GOMEZ, HUMBERTO; MAFRA, CARLOS R.; SCHLOTTERER, OLIVER. Two-loop superstring five-point amplitude and S-duality. Physical Review D, v. 93, n. 4, . (13/11409-7)
GOMEZ, HUMBERTO; YUAN, ELLIS YE. N-point tree-level scattering amplitude in the new Berkovits' string. Journal of High Energy Physics, v. N/A, n. 4, p. 12-pg., . (13/11409-7)