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Gravitational Physics PhD

Cardiff University

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Course info

The Gravitational Physics Group is one of the largest research groups in the School of Physics and Astronomy. We focus on the detection and study of gravitational waves from astrophysical systems such as black-hole and neutron-star binaries, supernovae, and gamma-ray bursts. Group members are also leaders in the field of numerical relativity, simulating collisions of black holes using large computer clusters.The Group co-founded the British-German GEO 600 gravitational-wave detection project ... READ MORE

The Group co-founded the British-German GEO 600 gravitational-wave detection project and is a leading member of the LIGO Scientific Collaboration. We are active members of collaborations studying the scientific benefits of the proposed space-based LISA system and the future Einstein Telescope (ET). As a part of this research we develop novel algorithms and software that have become standard search tools. Cardiff also acts as a data centre for GEO 600 and LIGO, with the data analysed in-house using large computer clusters.

Other theoretical research focuses on quantum processes in the early Universe, cosmic microwave and gravitational wave backgrounds, the formation, evolution and nature of largescale structure in the Universe, and alternative formulations of general relativity. We have developed an on-line game called Black Hole Hunter to illustrate how we look for gravitational wave signals from merging black hole binaries. The challenge is to listen to a set of audio tracks and identify the one containing the signal from a black hole merger.

Research

Active research projects include:

Numerical modelling of black hole binaries
Searches for gravitational waves from black hole and neutron star mergers
Multi-messenger astronomy with gravitational waves, gamma ray bursts, supernovae
Astrophysical implications of gravitational wave observations
Observational tests of general relativity
Cosmography with gravitational wave observations of compact binary mergers
Developing the science case for next generation of ground-based, underground and space-based gravitational wave detectors
Understanding quasi-normal mode oscillations of black holes