17 papers
Population synthesis and detection prospects for Galactic long-period transients with LISA
Arthur G. Suvorov, Nikolaos Karnesis, Valeriya Korol
The recently-discovered long-period radio transients represent a puzzling new class of astrophysical sources, some of which are thought to be compact binary systems emitting a puls…
Evading Cauchy horizon excision in scalarized regular black holes
Ernesto Contreras, Pedro Bargueño, Pedro Bargueño +1
Spontaneous scalarization provides a dynamical mechanism to evade the no-hair paradigm, but it has been argued to generically eliminate the Cauchy horizon in charged black holes. W…
Random walks around black holes and low-frequency X-ray variability
Arthur G. Suvorov
The paper models the stochastic motion of particles in turbulent accretion flows around black holes as curvature‑weighted random walks on a Riemannian manifold, solving the associa…
Magnetorotational instabilities in solids: Application to neutron-star crusts
Arthur G. Suvorov, Thomas Celora, Kostas D. Kokkotas
The magnetorotational instability can generate strong, turbulent substructure within magnetized shear flows. The efficacy of the mechanism as a function of microphysical aspects of…
Dynamics of magnetoviscous warped discs around compact objects
Arthur G. Suvorov, Kostas Glampedakis
Accretion discs that are tilted with respect to their compact hosts can warp out-of-plane through general relativistic frame-dragging. Warp influences disc dynamics in ways that ha…
Late-blooming magnetars: awakening as long period transients after a dormant cooling epoch
Arthur G. Suvorov, Clara Dehman, José A. Pons
Long-period transients are an elusive class of compact objects uncovered by radio surveys. While magnetars are a leading candidate for those sources that appear isolated, several o…