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6 papers
Three-dimensional Maxwellian Carroll gravity theory and the cosmological constant
Patrick Concha, Diego Peñafiel, Lucrezia Ravera +1
In this work, we present the three-dimensional Maxwell Carroll gravity by considering the ultra-relativistic limit of the Maxwell Chern-Simons gravity theory defined in three space…
Three-dimensional teleparallel Chern-Simons supergravity theory
Ricardo Caroca, Patrick Concha, Diego Peñafiel +1
In this work we present a gauge-invariant three-dimensional teleparallel supergravity theory using the Chern-Simons formalism. The present construction is based on a supersymmetric…
Non-relativistic symmetries in three space-time dimensions and the Nappi-Witten algebra
Diego M. Peñafiel, Patricio Salgado-Rebolledo
We show that the Extended Bargmann and Newton-Hooke algebras in 2+1 dimensions can be obtained as expansions of the Nappi-Witten algebra. The result can be generalized to obtain tw…
On the Maxwell supergravity and flat limit in 2+1 dimensions
Patrick Concha, Diego M. Peñafiel, Evelyn Rodríguez
The construction of the three-dimensional Chern-Simons supergravity theory invariant under the minimal Maxwell superalgebra is presented. We obtain a supergravity action without co…
Generalized cosmological term in D=4 supergravity from a new AdS-Lorentz superalgebra
Diego M. Peñafiel, Lucrezia Ravera
A new supersymmetrization of the so-called AdS-Lorentz algebra is presented. It involves two fermionic generators and is obtained by performing an abelian semigroup expansion of th…
Geometrical aspects of the Lie Algebra S-Expansion Procedure
M. Artebani, R. Caroca, M. C. Ipinza +2
In this article it is shown that S-Expansion procedure affects the geometry of a Lie group, changing it an leading us to the geometry of another Lie group with higher dimensionalit…