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Astrophysical interpretation of gravitational waves from black-holes and neutron-stars


Project Description

Bayesian parameter estimation and model selection methods have been essential to measure the properties of the binary-black-holes and of the binary-neutron-star detected with the gravitational-wave observations from the LIGO-Virgo network. Those techniques are a key component of the new field of gravitational-wave astrophysics. This project will improve existing methods to advance our understanding of the next observations.

It is not currently possible to solve exactly Einstein’s equations and produce perfectly accurate gravitational-wave signal models. So current analysis techniques involve comparing observational results using different approximate models (which can be computed quickly enough to be usable). The difference between such waveform templates is then used to check the uncertainties associated with the models’ approximations. And this source of error dominates the measurement of certain gravitational-wave parameters.

One of the most crucial challenges, and a principal direction of this project, involves moving beyond this single point-estimate of the model errors (by providing rigorous marginalisation methods for instance). This work will lead to enabling new constraints of alternative theories of gravity and measurements of neutron-star equation-of-state. This involves developing an using accurate, precise, and efficient methods for observational gravitational-wave astronomy on future observations from a growing worldwide network of detectors.

Consideration is automatic upon application for admission to the Doctor of Philosophy in Physics and Astronomy with an October 2019 start date.

In the ’Research proposal and Funding’ section of your application, please specify the project title and supervisors of this project and copy the project description in the text box provided (you are able to state multiple advertised projects that you would like to be considered for)

Please select ’No, I am not self-funding my research’ when asked whether you are self-funding your research.

Please add ’STFC funded studentship’ when asked ’Please provide the name of the funding you are applying for’.

Funding Notes

Tuition fee support: Full UK/EU tuition fees
Maintenance stipend: Doctoral stipend matching UK Research Council National Minimum

You should have obtained, or be about to obtain a First or Upper Second Class UK Honours degree in Physics , or a related subject, Alternatively, applicants with equivalent qualifications gained outside the UK will also be considered. Applicants with a Lower Second Class degree will be considered if they also have a Master’s degree.
Applicants whose first language is not English are normally expected to meet the minimum University requirements (e.g. 6.5 IELTS)

Related Subjects

How good is research at Cardiff University in Physics?

FTE Category A staff submitted: 19.50

Research output data provided by the Research Excellence Framework (REF)

Click here to see the results for all UK universities

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