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Doctoral Thesis
DOI
https://doi.org/10.11606/T.43.2020.tde-29052020-130809
Document
Author
Full name
Laura Raquel Rado Díaz
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2020
Supervisor
Committee
Rivelles, Victor de Oliveira (President)
Brandt, Fernando Tadeu Caldeira
Nastase, Horatiu Stefan
Pinzul, Aleksandr Nikolaievich
Schmidtt, Fernando David Marmolejo
Title in English
On integrable deformations of string theory
Keywords in English
Integrability
Integrable deformations
Nonlinear sigma model
r-matrix
Superstrings
Abstract in English
Our aim is to study integrable deformations for the superstring theory in AdS_4xCP^3 formulated as a nonlinear sigma model on the supercoset UOSp(2,2|6)/SO(1,3)xU(3). We study the Yang-Baxter deformation of this model and determine the deformed backgrounds on which the string propagates for some choices of r-matrix. To this end we propose some r-matrices that satisfy the classical Yang-Baxter equation and show the gravity duals of the non-commutative ABJM theory, its one-parameter dipole deformation and its non-relativistic limit which corresponds to the so-called Schrödinger spacetime.
Title in Portuguese
Deformações integráveis de teoria de cordas
Keywords in Portuguese
Deformações integráveis
Integrabilidade
Matriz r
Modelo sigma não-linear
Supercordas
Abstract in Portuguese
O nosso objetivo é estudar as deformações integráveis da teoria de supercordas em AdS_4xCP^3 formulada como um modelo sigma não-linear no supercoset UOSp(2,2|6)/SO(1,3)xU(3). Estudamos a deformação de Yang-Baxter deste modelo e determinamos os backgrounds deformados nos quais a supercorda se propaga para algumas escolhas da matriz r. Para isto propomos algumas matrizes r que satisfazem a equação clássica de Yang-Baxter (CYBE) e determinamos os duais gravitacionáis da teoria ABJM não comutativa, da sua deformação de dipolo com um parâmetro e o seu limite não relativístico, que corresponde ao espaço-tempo de Schrödinger.
 
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Publishing Date
2020-06-23
 
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