WebAttilio Palatini (18 November 1889 – 24 August 1949) was an Italian mathematician born in Treviso. Biography. Palatini was the seventh of the eight children of Michele (1855-1914) … WebPalatini Formalism for f ( R) Theories of Gravity To explain the cosmic speed-up, the model f ( R) = R − μ 4 / R in metric formalism has some problems. By observation that these …
Wormhole spacetimes in Palatini f(R) gravity and energy …
WebDec 7, 2011 · Palatini Approach Beyond Einstein's Gravity DOI: 10.1007/978-3-319-00297-2_14 arXiv Authors: Gonzalo J. Olmo University of Valencia Abstract I review recent results obtained for extensions of... WebWe derive a new set of field equations within the framework of the Palatini formalism.These equations are a natural generalization of the Einstein–Maxwell equations which arise by adding a function F(Q), with Q ≡ F^{αβ}F_{αβ} to the Palatini Lagrangian f(R,Q).The result we obtain can be viewed as the coupling of gravity with a nonlinear extension of the … sleep with wet hair
Palatini approach and large-scale magnetogenesis - ResearchGate
Webwe discuss the limitations of our approach in the light of the cosmological averaging used and questions that have been raised in the literature against such averaging procedures in the context of the present work. PACS: 04.20.-q, 04.20.Cv Key words: Dark matter, Palatini f(R) gravity, virial theorem, relativistic Boltzmann equation, WebOct 22, 2024 · We obtain the general slow-roll parameters and analyze a simple model to illustrate the differences introduced by the gravitational terms under the Palatini approach, and the modifications on the... WebThe metric and Palatini formalisms are two different ways that GR can be derived and lead to the same field equations [22]. However, in modified fR( ) gravity, the equations of mo … sleep with wheel of cheese