Search Results - "Fatibene, L."
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Solar System tests in Brans–Dicke and Palatini f(R)-theories
Published in European physical journal plus (01-12-2020)“…We compare Mercury’s precession test in standard general relativity, Brans–Dicke theories (BD), and Palatini f ( R ) -theories. We avoid post-Newtonian…”
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Discrete relativistic positioning systems
Published in General relativity and gravitation (01-02-2020)“…We discuss the design for a discrete, immediate, simple relativistic positioning system (rPS) which is potentially able of self-positioning (up to isometries)…”
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The generally covariant meaning of space distances
Published in European physical journal plus (01-12-2020)“…We propose a covariant and geometric framework to introduce space distances as they are used by astronomers. In particular, we extend the definition of space…”
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Gauge natural formulation of conformal gravity
Published in Annals of physics (01-03-2015)“…We consider conformal gravity as a gauge natural theory. We study its conservation laws and superpotentials. We also consider the Mannheim and Kazanas…”
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Generally covariant vs. gauge structure for conformal field theories
Published in Annals of physics (01-11-2015)“…We introduce the natural lift of spacetime diffeomorphisms for conformal gravity and discuss the physical equivalence between the natural and gauge natural…”
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Hubble drift in Palatini f(R) theories
Published in European physical journal plus (01-01-2019)“… In a Palatini f ( R ) model, we define chronodynamical effects due to the choice of atomic clocks as standard reference clocks and we develop a formalism…”
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ADM pseudotensors, conserved quantities and covariant conservation laws in general relativity
Published in Annals of physics (01-06-2012)“…The ADM formalism is reviewed and techniques for decomposing generic components of metric, connection and curvature are obtained. These techniques will turn…”
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Thermodynamics of ( d+1)-dimensional NUT-charged AdS spacetimes
Published in Nuclear physics. B (03-03-2003)“…We consider the thermodynamic properties of ( d+1)-dimensional spacetimes with NUT charges. Such spacetimes are asymptotically locally anti-de Sitter (or…”
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Barbero–Immirzi connections and how to build them
Published in Journal of geometry and physics (01-09-2021)“…We introduce a covariant formulation of Barbero–Immirzi connections, which are used in Loop Quantum Gravity to describe gravity. We show that Barbero–Immirzi…”
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The Entropy of the Taub–Bolt Solution
Published in Annals of physics (15-09-2000)“…A geometrical framework for the definition of entropy in general relativity via the Nöther theorem is briefly recalled, and the entropy of Taub–Bolt Euclidean…”
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Remarks on Nöther Charges and Black Holes Entropy
Published in Annals of physics (10-07-1999)“…We criticize and generalize some properties of Nöther charges presented in a paper by V. Iyer and R. M. Wald and their application to entropy of black holes…”
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Gauge Formalism for General Relativity and Fermionic Matter
Published in General relativity and gravitation (01-09-1998)Get full text
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Spin Entropy for Kerr Black Holes
Published in General relativity and gravitation (01-08-2001)Get full text
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14
Do Bosons Feel Spin Frames?
Published in General relativity and gravitation (01-08-1999)Get full text
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Constraining the physical state by symmetries
Published in Annals of physics (01-03-2017)“…After reviewing the hole argument and its relations with initial value problem and general covariance, we shall discuss how much freedom one has to define the…”
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Inducing Barbero-Immirzi connections along SU(2) reductions of bundles on spacetime
Published in Physical review. D, Particles, fields, gravitation, and cosmology (23-09-2011)Get full text
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Hubble drift in Palatini $f(\mathcal{R})$ f ( R ) theories
Published in European physical journal plus (01-01-2019)Get full text
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Spin frame transformations and Dirac equations
Published 10-10-2019“…We define spin frames, with the aim of extending spin structures from the category of (pseudo-)Riemannian manifolds to the category of spin manifolds with a…”
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A variational framework for higher order perturbations
Published 19-10-2023“…International Journal of Geometric Methods in Modern Physics (2024) A covariant, global, variational framework for perturbations in field theories is…”
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The effective Equation of State in Palatini $f(R)$ cosmology
Published 28-12-2022“…The European Physical Journal Plus, 2023 We investigate how the cosmological Equation of State can be used for scrutinizing extended theories of gravity, in…”
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