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Some exact solutions of all f(Ricci) theories in three dimensions
Metin Gurses, Tahsin Cagri Sisman, Bayram Tekin
We find constant scalar curvature Type-N and Type-D solutions in all higher curvature gravity theories with actions of the form f(Ricci) that are built on the Ricci tensor, but not…
Unitarity of Weyl-Invariant New Massive Gravity and Generation of Graviton Mass via Symmetry Breaking
M. Reza Tanhayi, Suat Dengiz, Bayram Tekin
We give a detailed analysis of the particle spectrum and the perturbative unitarity of the recently introduced Weyl-invariant version of the new massive gravity in 2+1 dimensions.…
Covariant Symplectic Structure and Conserved Charges of Topologically Massive Gravity
Caner Nazaroglu, Yavuz Nutku, Bayram Tekin
We present the covariant symplectic structure of the Topologically Massive Gravity and find a compact expression for the conserved charges of generic spacetimes with Killing symmet…
Higgs Mechanism for New Massive Gravity and Weyl Invariant Extensions of Higher Derivative Theories
Suat Dengiz, Bayram Tekin
New Massive Gravity provides a non-linear extension of the Fierz-Pauli mass for gravitons in 2+1 dimensions. Here we construct a Weyl invariant version of this theory. When the Wey…
AdS Waves as Exact Solutions to Quadratic Gravity
Ibrahim Gullu, Metin Gurses, Tahsin Cagri Sisman +1
We give an exact solution of the quadratic gravity in D dimensions. The solution is a plane fronted wave metric with a cosmological constant. This metric solves not only the full q…
All unitary cubic curvature gravities in D dimensions
Tahsin Cagri Sisman, Ibrahim Gullu, Bayram Tekin
We construct all the unitary cubic curvature gravity theories built on the contractions of the Riemann tensor in D -dimensional (anti)-de Sitter spacetimes. Our construction is bas…
Critical Points of D-Dimensional Extended Gravities
S. Deser, Haishan Liu, H. Lu +3
We study the parameter space of D-dimensional cosmological Einstein gravity together with quadratic curvature terms. In D>4 there are in general two distinct (anti)-de Sitter vacua…