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Personal profile

Overview

My research is driven by the exciting prospects of extracting detailed information about our Universe from observations of the cosmic microwave background (CMB), exploiting both its anisotropies and frequency spectrum. Through my work I became a leading expert on cosmological recombination physics, CMB spectral distortions caused by early-energy release, and the Sunyaev-Zeldovich (SZ) effect. I am the author of several software packages (CosmoRec, CosmoTherm, CosmoSpec and SZpack) that allow precise computations of unique signals from the early Universe.

Research interests

My main research interests include Cosmic Microwave Background science (CMB spectral distortions; cosmological recombination; cosmological parameter estimation; Sunyaev-Zeldovich effect), atomic physics (two-photon transitions and Raman scattering; helium physics; collisional processes), radiative transfer (Lyman-α; line feedback; electron scattering), and high energy processes in the early Universe (energy transfer to the IGM by annihilating dark matter and decaying relict particles; thermalization physics; double Compton).

Biography

June 2019 –                 Professor of Cosmology / Royal Society URF at the JBCA, University of Manchester
 
June 2017 – May 2019 Reader / Royal Society URF at the JBCA, University of Manchester
 
Jan. 2016 – May 2017 Lecturer / Royal Society URF at the JBCA, University of Manchester
 
Jan. 2015 – Dec. 2015  Royal Society URF at the IoA, Cambridge University

Oct. 2012 – Dec. 2014   Associate Research Scientist at Johns Hopkins University

Sept. 2011 – Sept. 2012 Senior Research Associate at the Canadian Institute for Theoretical Astrophysics
 
Oct. 2008 – Aug. 2011  Postdoctoral Researcher at the Canadian Institute for Theoretical Astrophysics
 
Sept. 2005 – Sept. 2008 Postdoctoral Researcher at the Max-Planck-Institut for Astrophysics

March 2005 – Aug. 2005 Research Fellowship at the Max-Planck-Institut for Astrophysics
 

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