Strong Gravity News & Events

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ROXAS: a spectral code for isolated neutron stars oscillations

GGD - Gr@V Seminar
Speaker
Gaël Servignat (Laboratoire Astroparticule et Cosmologie)
Event date
Venue
Hybrid: room 11.2.21 and Zoom
Event type
Relativistic hydrodynamics has undergone major development over the past three decades, notably through high-resolution shock-capturing schemes enabled by conservative formulations of the relativistic fluid equations.

Turbulence in Magnetised Neutron Stars

GGD - Gr@V Seminar
Speaker
William Cook (Theoretical Physics Institute, Friedrich-Schiller University Jena)
Event date
Venue
Hybrid: room 11.2.25 and Zoom
Event type

The magnetic field configuration in the interior of Neutron Stars is an open problem and may be impacted by the influence of a turbulent cascade within the star. Assessing the impact of turbulent flow with numerical simulations requires incredibly high resolution as well as long lived simulations covering multiple Alfven times.

Curvature dependence of gravitational-wave tests: from theory to observation

GGD - Gr@V Seminar
Speaker
Laura Bernard (Laboratoire d’étude de l’Univers et des phénomènes eXtrêmes)
Event date
Venue
Hybrid: room 11.2.21 and Zoom
Event type

Next generation of gravitational wave detectors will have the sensibility to detect potential deviations in gravitational waveforms with respect to general relativity. However, current agnostic tests are plagued by a lack of realistic deviations, making it difficult to interpret such detections with respect to specific theories.

An Overview of the magnetized advective flows around black holes

GGD - Gr@V seminar
Speaker
Samik Mitra (Indian Institute of Technology Guwahati)
Event date
Venue
Online only
Event type

One of the most efficient energy sources in the universe is the matter accretion onto compact objects, such as black holes (BHs) and neutron stars (NSs). Since magnetic fields are ubiquitous everywhere, the accretion flow is expected to be magnetized in nature, where the large-scale magnetic fields inside the disks are commonly rooted either from the companion star or the interstellar medium.