IAFE   05512
INSTITUTO DE ASTRONOMIA Y FISICA DEL ESPACIO
Unidad Ejecutora - UE
artículos
Título:
Pure double-layer bubbles in quadratic F(R) gravity
Autor/es:
FIGUEROA AGUIRRE, GRISELDA; EIROA, ERNESTO F.; SENOVILLA, JOSÉ M.?M.
Revista:
Physical Review D
Editorial:
AMER PHYSICAL SOC
Referencias:
Lugar: New York; Año: 2017 vol. 95 p. 124021 - 124021
ISSN:
2470-0010
Resumen:
We present a class of spherically symmetric spacetimes corresponding tobubbles separating two regions with constant values of the scalar curvature, orequivalently with two different cosmological constants, in quadratic F(R)theory. The bubbles are obtained by means of the junction formalism, and thematching hypersurface supports in general a thin shell and a gravitationaldouble layer. In particular, we find that pure double layers are possible forappropriate values of the parameters of the model whenever the quadraticcoefficient is negative. This is the first example of a pure double layer in agravitational theory.