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91̽»¨
Theoretical physicists working at a blackboard collaboration pod in the Beecroft building.
Credit: Jack Hobhouse

Dr Sebastian Von Hausegger

Postdoctoral Research Assistant

Research theme

  • Astronomy and astrophysics
  • Biological physics
  • Particle astrophysics & cosmology

Sub department

  • Rudolf Peierls Centre for Theoretical Physics

Research groups

  • Beecroft Institute for Particle Astrophysics and Cosmology
  • 91̽»¨ Molecular Motors
  • Cosmology
  • Rubin-LSST
  • The Square Kilometre Array (SKA)
sebastian.vonhausegger@physics.ox.ac.uk
Telephone: 01865210826
Rudolf Peierls Centre for Theoretical Physics, room 50.25
  • About
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I'm a postdoctoral researcher here at the 91̽»¨ working in lots of fields encompassing Cosmology, Astrophysics, Theoretical Physics, and most recently Biophysics.  Prior to this, I was a Beecroft Fellow in Cosmology in the BIPAC, and Fellow of the in the Rudolf Peierls Centre for Theoretical Physics, all while Junior Research Fellow at .  Before coming to 91̽»¨ I was a Postdoctoral Fellow of , while based at , France.  I completed my PhD at , University of Copenhagen, Denmark.

In my cosmology research I aim to cover a broad range of topics within particle physics and cosmology.  On that front, I study statistical and physical properties of the Cosmic Microwave Background and signals related to it, as well as patterns in the distributions of and kinematics of matter in the (comparably) local universe.  While often data-driven, my research combines theoretical, methodological, and experimental aspects of cosmology. Feel free to read more about my and my collaborators’ work on my Research and Publications pages — or just send me a mail!

Apart from doing the actual research, I enjoy public engagement activities (and as part of my time here I get involved in activities, such as or ) and most recently began planning a dedicated outreach programme enticing interest in !   Please don't hesitate to tell me about your outreach ideas; I'm happy to chat!

Research interests

Cosmology
Astrophysics
Large-Scale Structure
Cosmic Microwave Background
Anisotropic Cosmology

Selected publications

Accurate Baryon Acoustic Oscillations Reconstruction via Semidiscrete Optimal Transport.

Physical review letters 128:20 (2022) 201302
Sebastian von Hausegger, Bruno Lévy, Roya Mohayaee

A fast semidiscrete optimal transport algorithm for a unique reconstruction of the early Universe

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 506:1 (2021) 1165-1185
Bruno Levy, Roya Mohayaee, Sebastian von Hausegger

A test of the cosmological principle with quasars

Astrophysical Journal Letters IOP Publishing 908:2 (2021) L51
Nathan Secrest, Sebastian Von Hausegger, Mohamed Rameez, Roya Mohayaee, Subir Sarkar, Jacques Colin
See all publications

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