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Black Hole

Lensing of space time around a black hole. At Oxford 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.

Prof. David Alonso

Associate Professor of Cosmology

Sub department

  • Astrophysics

Research groups

  • Beecroft Institute for Particle Astrophysics and Cosmology
  • Rubin-LSST
David.Alonso@physics.ox.ac.uk
Telephone: 01865 (2)288582
Denys Wilkinson Building, room 532B
  • About
  • Publications

My research

I do research in cosmology, where I am mostly interested in extracting information about fundamental physics from large astronomical datasets on different wavelengths. In this sense, the two most interesting regimes in the evolution of the Universe are the mysterious accelerated expansion at late times, fueled by an unknown form of "Dark Energy", and the violent expansion of the Universe shortly after the Big Bang, since it provides a unique window into physical process at very high energies. I am heavily involved in two international collaborations trying to study these two epochs. 

On the one hand, the Legacy Survey of Space and Time will tackle the problem of Dark Energy by jointly studying the large-scale distribution of galaxies and the correlation in their shapes caused by the gravitational lensing effect. On the other hand, I am a member of the Simons Observatory, an experiment that aims to observe the subtle imprint left by the gravitational waves emitted after the Big Bang on the polarization of its afterglow light (the so-called Cosmic Microwave Background).

Research interests

Cosmology, Astrophysics

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