443 citations
- Near East UniversityCY16 papers
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9 papers · 2 filters
All Bulk and Boundary Unitary Cubic Curvature Theories in Three Dimensions
Ibrahim Gullu, Tahsin Cagri Sisman, Bayram Tekin
We construct all the bulk and boundary unitary cubic curvature parity invariant gravity theories in three dimensions in (anti)-de Sitter spaces. For bulk unitarity, our constructio…
Unitarity analysis of general Born-Infeld gravity theories
Ibrahim Gullu, Tahsin Cagri Sisman, Bayram Tekin
We develop techniques of analyzing the unitarity of general Born-Infeld (BI) gravity actions in D-dimensional spacetimes. Determinantal form of the action allows us to find a compa…
Conserved Killing charges of quadratic curvature gravity theories in arbitrary backgrounds
Deniz Olgu Devecioglu, Ozgur Sarioglu
We extend the Abbott-Deser-Tekin procedure of defining conserved quantities of asymptotically constant-curvature spacetimes, and give an analogous expression for the conserved char…
Noncommutative Vortices and Flux-Tubes from Yang-Mills Theories with Spontaneously Generated Fuzzy Extra Dimensions
Seckin Kurkcuoglu
We consider a U(2) Yang-Mills theory on M x S_F^2 where M is an arbitrary noncommutative manifold and S_F^2 is a fuzzy sphere spontaneously generated from a noncommutative U(N) Yan…
c-functions in the Born-Infeld extended New Massive Gravity
Ibrahim Gullu, Tahsin Cagri Sisman, Bayram Tekin
We derive and study the equations of motion of the Born-Infeld extension of New Massive Gravity for globally and asymptotically (anti-)de Sitter spaces, and show that the assumptio…
Born-Infeld-Horava gravity
Ibrahim Gullu, Tahsin Cagri Sisman, Bayram Tekin
We define various Born-Infeld gravity theories in 3+1 dimensions which reduce to Horava's model at the quadratic level in small curvature expansion. In their exact forms, our actio…