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16 papers · 1 filter
Gravity coupled to a scalar field from a Chern-Simons action: describing rotating hairy black holes and solitons with gauge fields
Marcela Cárdenas, Oscar Fuentealba, Cristián Martínez +1
Einstein gravity minimally coupled to a scalar field with a two-parameter Higgs-like self-interaction in three spacetime dimensions is recast in terms of a Chern-Simons form for th…
A black hole solution in conformal supergravity
Pedro D. Alvarez, Cristóbal Corral, Jorge Zanelli
We present a three-parameter family of analytic black-hole solutions in the bosonic sector of a four-dimensional supersymmetric model with matter fields in the adjoint representati…
Embedding of the Georgi-Glashow model in the superconformal algebra
Pedro D. Alvarez, Rafael A. Chavez, Jorge Zanelli
We present a scheme to construct grand unified models based on the superconformal algebra and the inclusion of matter fields in the adjoint representation of supersymmetry. As an i…
Pseudoclassical system with gauge and time-reparametrization invariance
Mauricio Valenzuela
We present a pseudoclassical mechanics model which exhibits gauge symmetry and time-reparametrization invariance. As such, first- and second-class constraints restrict the phase sp…
Electric/Magnetic Newton-Hooke and Carroll Jackiw-Teitelboim Gravity
Luis Avilés, Joaquim Gomis, Diego Hidalgo +1
We construct the electric and magnetic Newton-Hooke and Carroll Jackiw-Teitelboim gravity theories using the isomorphism of Newton-Hooke and (A-)dS Carroll algebras in $(1+1)…
Nonlinear automorphism of the conformal algebra in 2D and continuous deformations
David Tempo, Ricardo Troncoso
The conformal algebra in 2D (Diff()Diff()) is shown to be preserved under a nonlinear map that mixes both chiral (holomorphic) generators and . I…