Simon Iteanu
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View article: Axial perturbations of black holes with primary scalar hair
Axial perturbations of black holes with primary scalar hair Open
We study axial perturbations of static black holes with primary hair in a family of degenerate higher-order scalar-tensor (DHOST) theories. These solutions possess a scalar charge, fully independent of the mass, leading to a continuous one…
View article: Vanishing of quadratic Love numbers of Schwarzschild black holes
Vanishing of quadratic Love numbers of Schwarzschild black holes Open
A bstract The induced conservative tidal response of self-gravitating objects in general relativity is parametrized in terms of a set of coefficients, which are commonly referred to as Love numbers. For asymptotically-flat black holes in f…
View article: Vanishing of Quadratic Love Numbers of Schwarzschild Black Holes
Vanishing of Quadratic Love Numbers of Schwarzschild Black Holes Open
The induced conservative tidal response of self-gravitating objects in general relativity is parametrized in terms of a set of coefficients, which are commonly referred to as Love numbers. For asymptotically-flat black holes in four spacet…
View article: Large-scale turbulent driving regulates star formation in high-redshift gas-rich galaxies
Large-scale turbulent driving regulates star formation in high-redshift gas-rich galaxies Open
Context. The observed star formation rate (SFR) in galaxies is well below what it should be if gravitational collapse alone were at play. There is still no consensus about the main process that cause the regulation of the SFR. Aims. It has…
View article: Large-scale turbulent driving regulates star formation in high-redshift gas-rich galaxies II: Influence of the magnetic field and the turbulent compressive fraction
Large-scale turbulent driving regulates star formation in high-redshift gas-rich galaxies II: Influence of the magnetic field and the turbulent compressive fraction Open
The observed star formation rate (SFR) in galaxies is well below what it should be if gravitational collapse alone were at play. It has recently been shown that one candidate that might regulate star formation, the feedback from massive st…
View article: Mass of Cosmological Perturbations in the Hybrid and Dressed Metric Formalisms of Loop Quantum Cosmology for the Starobinsky and Exponential Potentials
Mass of Cosmological Perturbations in the Hybrid and Dressed Metric Formalisms of Loop Quantum Cosmology for the Starobinsky and Exponential Potentials Open
The hybrid and the dressed metric formalisms for the study of primordial perturbations in Loop Quantum Cosmology lead to dynamical equations for the modes of these perturbations that are of a generalized harmonic-oscillator type, with a ma…
View article: Model of pulsar pair cascades in non-uniform electric fields: Growth rate, density profile, and screening time
Model of pulsar pair cascades in non-uniform electric fields: Growth rate, density profile, and screening time Open
Time-dependent cascades of electron–positron pairs are thought to be the main source of plasma in pulsar magnetospheres and a primary ingredient to explain the nature of pulsar radio emission, a long-standing open problem in high-energy as…