Patrick Concha
YOU?
Author Swipe
A conformal approach to Carroll gravity Open
A bstract We show how to take the first step in the conformal program for constructing general matter couplings to Carroll gravity. In particular, we couple a single massless electric/magnetic scalar to conformal Carroll gravity with isotr…
3D Carrollian gravity from 2D Euclidean symmetry Open
Carroll symmetry arises from Poincaré symmetry when the speed of light is sent to zero. In this work, we apply the Lie algebra expansion method to find the Carroll versions of different gravity models in three space-time dimensions. Our st…
Non-Lorentzian supergravity and kinematical superalgebras Open
A bstract In this paper, we present and classify the supersymmetric extensions of extended kinematical algebras, at the basis of non-Lorentzian physics theories. The diverse kinematical superalgebras are here derived by applying non- and u…
Asymptotic structure of three-dimensional Maxwell Chern-Simons gravity coupled to spin-3 fields Open
A bstract In this work we analyze the asymptotic symmetries of the three-dimensional Chern-Simons (CS) gravity theory for a higher spin extension of the so-called Maxwell algebra. We propose a generalized set of asymptotic boundary conditi…
Three-dimensional non-relativistic Hietarinta supergravity Open
In this work we present the non-relativistic regime of the Hietarinta gravity theory and its extension to supergravity. At the bosonic level, we derive the non-relativistic version of the Hietarinta model by employing a contraction process…
3D Carrollian gravity from 2D Euclidean symmetry Open
Carroll symmetry arises from Poincaré symmetry when the speed of light is sent to zero. In this work, we apply the Lie algebra expansion method to find the Carroll versions of different gravity models in three space-time dimensions. Our st…
A Conformal Approach to Carroll Gravity Open
We show how to take the first step in the conformal program for constructing general matter couplings to Carroll gravity. In particular, we couple a single massless electric/magnetic scalar to conformal Carroll gravity with isotropic dilat…
Non-Lorentzian Supergravity and Kinematical Superalgebras Open
In this paper, we present and classify the supersymmetric extensions of extended kinematical algebras, at the basis of non-Lorentzian physics theories. The diverse kinematical superalgebras are here derived by applying non- and ultra-relat…
Asymptotic structure of three-dimensional Maxwell Chern-Simons gravity coupled to spin-3 fields Open
In this work we analyze the asymptotic symmetries of the three-dimensional Chern-Simons (CS) gravity theory for a higher spin extension of the so-called Maxwell algebra. We propose a generalized set of asymptotic boundary conditions for th…
Three-dimensional non-relativistic Hietarinta supergravity Open
In this work we present the non-relativistic regime of the Hietarinta gravity theory and its extension to supergravity. At the bosonic level, we derive the non-relativistic version of the Hietarinta model by employing a contraction process…
Four dimensional topological supergravities from transgression field theory Open
A bstract In this work, we propose a four-dimensional gauged Wess-Zumino-Witten model, obtained as a dimensional reduction from a transgression field theory invariant under the $$ \mathcal{N} $$ = 1 Poincaré supergroup. For this purpose, w…
Non-relativistic limit of the Mielke–Baekler gravity theory Open
In this paper, we present a generalized non-relativistic Chern–Simons gravity model in three spacetime dimensions. We first study the non-relativistic limit of the Mielke–Baekler gravity through a contraction process. The resulting non-rel…
Extended kinematical 3D gravity theories Open
A bstract In this work, we classify all extended and generalized kinematical Lie algebras that can be obtained by expanding the $$ \mathfrak{so} $$ (2 , 2) algebra. We show that the Lie algebra expansion method based on semigroups reproduc…
Four dimensional topological supergravities from transgression field theory Open
In this work, we propose a four-dimensional gauged Wess-Zumino-Witten model, obtained as a dimensional reduction from a transgression field theory invariant under the $\mathcal{N}=1$ Poincaré supergroup. For this purpose, we consider that …
Hietarinta Chern-Simons supergravity and its asymptotic structure Open
In this paper we present the Hietarinta Chern-Simons supergravity theory in three space-time dimensions which extends the simplest Poincaré supergravity theory. After approaching the construction of the action using the Chern-Simons formal…
Extended Kinematical 3D Gravity Theories Open
In this work, we classify all extended and generalized kinematical Lie algebras that can be obtained by expanding the $\mathfrak{so}\left(2,2\right)$ algebra. We show that the Lie algebra expansion method based on semigroups reproduces not…
Non-relativistic limit of the Mielke-Baekler gravity theory Open
In this paper, we present the most general non-relativistic Chern-Simons gravity model in three spacetime dimensions. We first study the non-relativistic limit of the Mielke-Baekler gravity through a contraction process. The resulting non-…
Three-dimensional hypergravity theories and semigroup expansion method Open
A bstract In this work, we apply the semigroup expansion method of Lie algebras to construct novel and known three-dimensional hypergravity theories. We show that the expansion procedure considered here yields a consistent way of coupling …
Exact flavored black -branes and self-gravitating instantons from toroidal black holes with Skyrme hair Open
In this paper, using the maximal embedding of $SU(2)$ into $SU(N)$ in the Euler angles parameterization, we construct a novel family of exact solutions of the Einstein $SU(N)$-Skyrme model. First, we present a hairy toroidal black hole in …
Three-dimensional Hypergravity Theories and Semigroup Expansion Method Open
In this work we present novel and known three-dimensional hypergravity theories which are obtained by applying the powerful semigroup expansion method. We show that the expansion procedure considered here yields a consistent way of couplin…
Exact flavored black $p$-branes and self-gravitating instantons from toroidal black holes with Skyrme hair Open
In this paper, using the maximal embedding of $SU(2)$ into $SU(N)$ in the Euler angles parameterization, we construct a novel family of exact solutions of the Einstein $SU(N)$-Skyrme model. First, we present a hairy toroidal black hole in …
Three-dimensional Newtonian gravity with cosmological constant and torsion Open
In this paper we present an alternative cosmological extension of the three-dimensional extended Newtonian Chern–Simons gravity by switching on the torsion. The theory is obtained as a non-relativistic limit of an enhancement and U (1)-enl…
Non-relativistic gravity theories in four spacetime dimensions Open
In this work we present a non-relativistic gravity theory defined in four spacetime dimensions using the MacDowell-Mansouri geometrical formulation. We obtain a Newtonian gravity action which is constructed from the curvature of a Newton-H…
Non-relativistic and Ultra-relativistic Expansions of Three-dimensional Spin-3 Gravity Theories Open
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 exten…
Phase transitions for charged planar solitons in AdS Open
In this work we study the phase transitions between the planar charged AdS black hole and the planar charged soliton. The planar soliton is obtained as a double analytic continuation of the charged black hole metric, which also involves an…
Three-dimensional Newtonian gravity with cosmological constant and torsion Open
In this paper we present an alternative cosmological extension of the three-dimensional extended Newtonian Chern-Simons gravity by switching on the torsion. The theory is obtained as a non-relativistic limit of an enhancement and $U(1)$-en…