Search Results - "Malafarina, Daniele"
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Classical Collapse to Black Holes and Quantum Bounces: A Review
Published in Universe (Basel) (01-06-2017)“…In the last four decades, different programs have been carried out aiming at understanding the final fate of gravitational collapse of massive bodies once some…”
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2
A toy model for a baby universe inside a black hole
Published in The European physical journal. C, Particles and fields (01-05-2020)“…We present a dynamical toy model for an expanding universe inside a black hole. The model is built by matching a spherically symmetric collapsing matter cloud…”
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3
On the properties of a deformed extension of the NUT space-time
Published in The European physical journal. C, Particles and fields (01-08-2020)“…We consider a class of space-times given by a stationary extension of the Zipoy–Voorhees metric that was found by Halilsoy. We show that the solutions do not…”
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4
Motion of spinning particles in non asymptotically flat spacetimes
Published in The European physical journal. C, Particles and fields (01-07-2020)“…The assumption of asymptotic flatness for isolated astrophysical bodies may be considered an approximation when one considers a cosmological context where a…”
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5
Black Hole Bounces on the Road to Quantum Gravity
Published in Universe (Basel) (01-09-2018)“…Quantum resolutions of the space-time singularity at the end of gravitational collapse may provide hints towards the properties of a final theory of…”
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6
Note on the mass–radius relations for spherical compact objects in general relativity with semi-classical corrections
Published in The European physical journal. C, Particles and fields (01-03-2020)“…We consider the effects that modifications to general relativity (GR) at high densities may have on the structure of spherical compact objects. Such effects…”
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7
What a difference a quadrupole makes?
Published in General relativity and gravitation (01-12-2021)“…We consider some implications of the departure from spherical symmetry for static solutions of the vacuum Einstein’s equations describing black hole mimickers…”
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8
Effects of gravitational lensing on neutrino oscillation in γ-spacetime
Published in The European physical journal. C, Particles and fields (2022)“…We study the effects of gravitational lensing on neutrino oscillations in the γ -spacetime which describes a static, axially-symmetric and asymptotically flat…”
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9
Effect of perfect fluid dark matter on particle motion around a static black hole immersed in an external magnetic field
Published in PHYSICS OF THE DARK UNIVERSE (01-12-2021)“…We investigate particle and photon motion in the vicinity of a static and spherically symmetric black hole surrounded by perfect fluid dark matter in the…”
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10
Observational properties of rigidly rotating dust configurations
Published in The European physical journal. C, Particles and fields (01-07-2017)“…We study the observational properties of a class of exact solutions of Einstein’s field equations describing stationary, axially symmetric, rigidly rotating…”
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11
Gravitational blueshift from a collapsing object
Published in Physics letters. B (04-02-2015)“…We discuss a counterintuitive phenomenon of classical general relativity, in which a significant fraction of the radiation emitted by a collapsing object and…”
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12
Dust Collapse in Asymptotic Safety: A Path to Regular Black Holes
Published in Physical review letters (19-01-2024)“…Regular black hole spacetimes are obtained from an effective Lagrangian for quantum Einstein gravity. The interior matter is modeled as a dust fluid, which…”
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13
Terminating black holes in asymptotically free quantum gravity
Published in The European physical journal. C, Particles and fields (01-02-2014)“…We study the homogeneous gravitational collapse of a spherical cloud of matter in a super-renormalizable and asymptotically free theory of gravity. We find a…”
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14
Circular geodesics and accretion disks in the Janis-Newman-Winicour and gamma metric spacetimes
Published in Physical review. D, Particles, fields, gravitation, and cosmology (21-05-2012)“…We study here circular timelike geodesics in the Janis-Newman-Winicour and Gamma metric spacetimes which contain a strong curvature naked singularity and…”
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15
Dust collapse in 4D Einstein–Gauss–Bonnet gravity
Published in PHYSICS OF THE DARK UNIVERSE (01-12-2020)“…We consider gravitational collapse in the recently proposed 4D limit of Einstein–Gauss–Bonnet gravity. We show that for collapse of a sphere made of…”
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16
Black supernovae and black holes in non-local gravity
Published in The journal of high energy physics (01-04-2016)“…A bstract In a previous paper, we studied the interior solution of a collapsing body in a non-local theory of gravity super-renormalizable at the quantum…”
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17
Charged particle and epicyclic motions around 4D Einstein–Gauss–Bonnet black hole immersed in an external magnetic field
Published in PHYSICS OF THE DARK UNIVERSE (01-12-2020)“…We investigate particle motion in the vicinity of a 4D Einstein–Gauss–Bonnet (EGB) black hole immersed in external asymptotically uniform magnetic field. It is…”
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18
Can we observationally test the weak cosmic censorship conjecture?
Published in The European physical journal. C, Particles and fields (01-08-2014)“…In general relativity, gravitational collapse of matter fields ends with the formation of a spacetime singularity, where the matter density becomes infinite…”
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19
Effects of gravitational lensing on neutrino oscillation in $$ \gamma $$ γ -spacetime
Published in The European physical journal. C, Particles and fields (01-01-2022)“…Abstract We study the effects of gravitational lensing on neutrino oscillations in the $$\gamma $$ γ -spacetime which describes a static, axially-symmetric and…”
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Effects of gravitational lensing on neutrino oscillation in [Formula omitted]-spacetime
Published in The European physical journal. C, Particles and fields (01-01-2022)“…We study the effects of gravitational lensing on neutrino oscillations in the [Formula omitted]-spacetime which describes a static, axially-symmetric and…”
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