activity
20042022
most citedThe dynamics of pulsar glitches: Contrasting phenomenology with numerical evolutions

105 citations · 1.2k across the 30 of their papers we have counts for

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Showing astro-ph.HEShow all

9 papers · 1 filter

astro-ph.HE2022★ 15 cited

Dynamical tides in superfluid neutron stars

Andrea Passamonti, Nils Andersson, Pantelis Pnigouras

We study the tidal response of a superfluid neutron star in a binary system, focussing on Newtonian models with superfluid neutrons present throughout the star's core and the inner…

astro-ph.HE2020★ 36 cited

Dynamical tides in neutron stars: The impact of the crust

Andrea Passamonti, Nils Andersson, Pantelis Pnigouras

We consider the dynamical tidal response of a neutron star in an inspiralling binary, focussing on the impact of the star's elastic crust. Within the context of Newtonian gravity,…

astro-ph.HE2020★ 21 cited

Instabilities in neutron-star postmerger remnants

Xiaoyi Xie, Ian Hawke, Andrea Passamonti +1

Using nonlinear, fully relativistic, simulations we investigate the dynamics and gravitational-wave signature associated with instabilities in neutron star postmerger remnants. For…

astro-ph.HE2018★ 95 cited

Towards asteroseismology of core-collapse supernovae with gravitational-wave observations - II. Spacetime perturbations

Alejandro Torres-Forné, Pablo Cerdá-Durán, Andrea Passamonti +2

Improvements in ground-based, advanced gravitational wave (GW) detectors may allow in the near future to observe the GW signal of a nearby core-collapse supernova. For the most com…

astro-ph.HE2017★ 31 cited

On the magnetic field evolution timescale in superconducting neutron star cores

Andrea Passamonti, Taner Akgün, José Pons +1

We revisit the various approximations employed to study the long-term evolution of the magnetic field in neutron star cores and discuss their limitations and possible improvements.…

astro-ph.HE2016★ 54 cited

The relevance of ambipolar diffusion for neutron star evolution

Andrea Passamonti, Taner Akgün, José A. Pons +1

We study ambipolar diffusion in strongly magnetised neutron stars, with special focus on the effects of neutrino reaction rates and the impact of a superfluid/superconducting trans…

astro-ph.HE2016★ 21 cited

Quasi-periodic oscillations in superfluid, relativistic magnetars with nuclear pasta phases

Andrea Passamonti, José A. Pons

We study the torsional magneto-elastic oscillations of relativistic superfluid magnetars and explore the effects of a phase transition in the crust-core interface (nuclear pasta) w…

astro-ph.HE2014★ 10 cited

Radiation drag in the field of a non-spherical source

Donato Bini, Andrea Geralico, Andrea Passamonti

The motion of a test particle in the gravitational field of a non-spherical source endowed with both mass and mass quadrupole moment is investigated when a test radiation field is…

astro-ph.HE2009★ 105 cited

The dynamics of pulsar glitches: Contrasting phenomenology with numerical evolutions

T. Sidery, A. Passamonti, N. Andersson

In this paper we consider a simple two-fluid model for pulsar glitches. We derive the basic equations that govern the spin evolution of the system from two-fluid hydrodynamics, acc…