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Axially symmetric solutions in f(R)-gravity
Salvatore Capozziello, Mariafelicia De Laurentis, Arturo Stabile
Axially symmetric solutions for f (R)-gravity can be derived starting from exact spherically sym- metric solutions achieved by Noether symmetries. The method takes advantage of a c…
First Order Extended Gravity and the Dark Side of the Universe: the General Theory
S. Capozziello, M. De Laurentis, M. Francaviglia +1
General Relativity is not the definitive theory of Gravitation due to several shortcomings which are coming out both from theoretical and experimental viewpoints. At large scales (…
PPN limit and cosmological gravitational waves as tools to constrain f(R)-gravity
Mariafelicia De Laurentis, Salvatore Capozziello, Shin'ichi Nojiri +1
We discuss the PPN Solar-System constraints and the GW stochastic background considering some recently proposed gravity models which satisfy both cosmological and stability…
Massive, massless and ghost modes of gravitational waves from higher-order gravity
Charalampos Bogdanos, Salvatore Capozziello, Mariafelicia De Laurentis +1
We linearize the field equations for higher order theories that contain scalar invariants other than the Ricci scalar. We find that besides a massless spin-2 field (the standard gr…
A bird's eye view of f(R)-gravity
S. Capozziello, M. De Laurentis, V. Faraoni
We survey the landscape of theories of gravity in their various formulations, which have been used to model the cosmic acceleration as alternatives to dark energy and dark m…
Coalescing binaries as possible standard candles
S. Capozziello, M. De Laurentis, M. Formisano
Gravitational waves detected from well-localized inspiraling binaries would allow to determine, directly and independently, both binary luminosity and redshift. In this case, such…
Computational Approach to Gravitational Waves Forms in Stellar Systems as Complex Structures through Keplerian Parameters
Ivana Bochicchio, Mariafelicia De Laurentis, Ettore Laserra
In this paper we investigate the gravitational waves emission by stellar dynamical structures as complex systems in the quadrupole approximation considering bounded and unbounded o…