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Mathematical Sciences

Research project: General Relativity

Currently Active: 

The General Relativity (GR) group is one of the largest classical relativity groups anywhere in the world. Their research is focussed on Einstein's classical theory and its applications to astrophysics. They are particularly interested in the modelling of gravitational-wave sources, and work actively on many aspects of the dynamics of black holes and neutron stars using both approximate methods and fully nonlinear numerical simulations.

Project Overview

Research in the Southampton General Relativity Group focusses on classical general relativity and its application to the most strongly gravitating objects: black holes and neutron stars. These are also the strongest expected sources of gravitational waves in the universe. One of our main motivations is to model these waves for comparison with future observational data, and we have active links with the experimental effort to detect gravitational waves, both on the ground (GEO600 and LIGO, running, and ET, planned) and in space (LISA). The group currently consists of 6 permanent staff,  4 research fellows and 10 PhD students.

Gravitational self-force in curved spacetime

Gravitational self-force in curved spacetime

We study the interaction of material objects or black holes with their own gravitational field as they move in curved spacetime. The physics of this so-called "self-force" is crucial for understanding the radiative evolution in astrophysical binaries of compact objects and for modelling the gravitational waves that they emit.

Numerical relativity

Numerical relativity

We perform numerical simulations, solving the equations of General Relativity, to compute signals from gravitational wave sources.

Image credit: (a) NASA.

Related research groups

Applied Mathematics
Relativistic Astrophysics


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