249 citations
- Université de SherbrookeCA4 papers
- Istituto Nazionale di Fisica Nucleare, Sezione di TriesteIT2 papers
- Northeastern UniversityUS2 papers
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- Swinburne University of TechnologyAU2 papers
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- Academy of AthensGR1 paper
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- Chinese Academy of SciencesCN1 paper
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12 papers · 1 filter
Comments on "Solar System constraints to general f(R) gravity"
Valerio Faraoni, Nicolas Lanahan-Tremblay
We comment on, and complete, the analysis of the weak field limit of metric f(R) gravity in T. Chiba, T.L. Smith, and A.L. Erickcek, Phys. Rev. D 75, 124014 (2007).
The Hawking temperature of expanding cosmological black holes
Valerio Faraoni
In the context of a debate on the correct expression of the Hawking temperature of an expanding cosmological black hole, we show that the correct expression in terms of the Hawking…
Models for the Observable System Parameters of Ultraluminous X-ray Sources
N. Madhusudhan, S. Rappaport, Ph. Podsiadlowski +1
We investigate the evolution of the properties of model populations of ultraluminous X-ray sources (ULXs) consisting of a black-hole accretor in a binary with a donor star. We have…
The Cauchy problem of f(R) gravity
Nicolas Lanahan-Tremblay, Valerio Faraoni
The initial value problem of metric and Palatini f(R)gravity is studied by using the dynamical equivalence between these theories and Brans-Dicke gravity. The Cauchy problem is wel…
A viability criterion for modified gravity with an extra force
Valerio Faraoni
A recently proposed theory of modified gravity with an explicit ``anomalous'' coupling of the Ricci curvature to matter is discussed, and an inequality is derived which expresses a…
The rotation of polarization by gravitational waves
Valerio Faraoni
There are conflicting statements in the literature about the gravitational Faraday rotation of the plane of polarization of polarized electromagnetic radiation travelling through a…