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  4. Non-relativistic and ultra-relativistic expansions of three-dimensional spin-3 gravity theories
 
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Non-relativistic and ultra-relativistic expansions of three-dimensional spin-3 gravity theories
Dr. Concha-Aguilera, Patrick 
Facultad de Ingeniería 
Dra. Rodríguez-Durán, Evelyn 
Facultad de Ingeniería 
Henríquez-Baez, Carla
Facultad de Ingeniería 
10.1007/JHEP10(2022)155
Springer Nature
2022
In this paper, we present novel and known non-relativistic and ultra-relativistic spin-3 algebras, by considering the Lie algebra expansion method. We start by applying the expansion procedure using different semigroups to the spin-3 extension of the AdS algebra, leading to spin-3 extensions of known non-relativistic and ultra-relativistic algebras. We then generalize the procedure considering an infinite-dimensional semigroup, which allows to obtain a spin-3 extension of two new infinite families of the Newton-Hooke type and AdS Carroll type. We also present the construction of the gravity theories based on the aforementioned algebras. In particular, the expansion method based on semigroups also allows to derive the (non-degenerate) invariant bilinear forms, ensuring the proper construction of the Chern-Simons gravity actions. Interestingly, in the vanishing cosmological constant limit we recover the spin-3 extensions of the infinite-dimensional Galilean and infinite-dimensional Carroll gravity theories.
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Higher spin symmetry
Higher spin gravity
Chern-Simons theories
Gauge symmetry
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