[HTML][HTML] Three-dimensional Maxwellian Carroll gravity theory and the cosmological constant

P Concha, D Peñafiel, L Ravera, E Rodríguez - Physics Letters B, 2021 - Elsevier
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 spacetime …

Non-relativistic gravity theory based on an enlargement of the extended Bargmann algebra

P Concha, E Rodríguez - Journal of High Energy Physics, 2019 - Springer
A bstract In this work we study a non-relativistic three dimensional Chern-Simons gravity
theory based on an enlargement of the Extended Bargmann algebra. A finite nonrelativistic …

[HTML][HTML] On the Maxwell supergravity and flat limit in 2+ 1 dimensions

P Concha, DM Peñafiel, E Rodríguez - Physics Letters B, 2018 - Elsevier
The construction of the three-dimensional Chern–Simons supergravity theory invariant
under the minimal Maxwell superalgebra is presented. We obtain a supergravity action …

Generalizing the and 2D-conformal algebras by expanding the Virasoro algebra

R Caroca, P Concha, E Rodríguez… - The European Physical …, 2018 - Springer
By means of the Lie algebra expansion method, the centrally extended conformal algebra in
two dimensions and the bms _ 3 bms 3 algebra are obtained from the Virasoro algebra. We …

[HTML][HTML] Generalized Chern–Simons higher-spin gravity theories in three dimensions

R Caroca, P Concha, O Fierro, E Rodríguez… - Nuclear Physics B, 2018 - Elsevier
The coupling of spin-3 gauge fields to three-dimensional Maxwell and AdS-Lorentz gravity
theories is presented. After showing how the usual spin-3 extensions of the AdS and the …

Three-dimensional non-relativistic extended supergravity with cosmological constant

P Concha, L Ravera, E Rodríguez - The European Physical Journal C, 2020 - Springer
In this paper, we present two novel non-relativistic superalgebras which correspond to
supersymmetric extensions of the enlarged extended Bargmann algebra. The three …

Semi-simple enlargement of the algebra from a Chern-Simons theory

P Concha, N Merino, E Rodríguez… - JHEP, 2019 - inspirehep.net
In this work we present a BMS-like ansatz for a Chern-Simons theory based on the semi-
simple enlargement of the Poincaré symmetry, also known as AdS-Lorentz algebra. We start …

On the supersymmetry invariance of flat supergravity with boundary

P Concha, L Ravera, E Rodríguez - Journal of High Energy Physics, 2019 - Springer
A bstract The supersymmetry invariance of flat supergravity (ie, supergravity in the absence
of any internal scale in the Lagrangian) in four dimensions on a manifold with non-trivial …

[HTML][HTML] N-extended Maxwell supergravities as Chern-Simons theories in three spacetime dimensions

P Concha - Physics Letters B, 2019 - Elsevier
We present a new class of three-dimensional N-extended supergravity theories based on
the N-extended Maxwell superalgebra with central charges and so (N) internal symmetry …

Holst-MacDowell-Mansouri action for (extended) supergravity with boundaries and super Chern-Simons theory

K Eder, H Sahlmann - Journal of High Energy Physics, 2021 - Springer
A bstract In this article, the Cartan geometric approach toward (extended) supergravity in the
presence of boundaries will be discussed. In particular, based on new developments in this …