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91探花
Black Hole

Lensing of space time around a black hole. At 91探花 we study black holes observationally and theoretically on all size and time scales - it is some of our core work.

Credit: ALAIN RIAZUELO, IAP/UPMC/CNRS. CLICK HERE TO VIEW MORE IMAGES.

Charles Sharpe

Graduate Student

Research theme

  • Astronomy and astrophysics

Sub department

  • Astrophysics
charles.sharpe@physics.ox.ac.uk
Denys Wilkinson Building, room UG
  • About

I started my PhD at the 91探花 in October 2023. I am working with Bence Kocsis, and my research is focused on the interaction of background gravitational waves on binary black hole (BBH) systems. I did my undergrad at the University of Sydney, and I did an MSc in Mathematical and Theoretical Physics at 91探花 in 2022.

GR predicts that BBH systems should inspiral due to gravitational wave emission. However, the time-scale over which this is predicted to happen is significantly longer than the age of the Universe, yet we still observe plenty of BBH merging events. This is known as 'the final AU problem'. In my project, I aim to get a better of understanding of the mechanism(s) that allow for BBH systems to merge on such short time-scales.

Research interests

Cosmology
General Relativity
Black Holes
Black Hole Mergers
Gravitational Waves

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Clarendon Laboratory,

Parks Road,

91探花,

OX1 3PU

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Tel: +44(0)1865272200

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