Fundamental Cosmology & Dark Energy

Publications

Talks:

• Testing the Cosmological Principle (38th Conference on Recent Developments in High Energy Physics & Cosmology, 16-19 Jun 2021, Thessaloniki)
  
• The Cosmological Principle, Discussion (Cosmological Frontiers in Fundamental Physics: APC-Perimeter-Solvay 2021, 26 May 2021, Paris)
  
• Testing the Cosmological Principle (Demokritos Colloquium, 11 May 2021, Athens)
  
• Testing the Cosmological Principle (Tehran Meeting on "Cosmology at the Crossroads" , 23 Feb 2021, Tehran)
• Re-examining cosmic acceleration (Sommerfeld Theory Colloquium, 20 Jan 2021, Munich; IFPU Colloquium, 18 Dec 2020, Trieste)
• Beyond the cosmological standard model (DESY Colloquium, 1 Dec 2020, Hamburg)
• Challenging the cosmological principle (Newton 1665 Seminar, 23 Oct 2020, Geneva/Rome)
• Evidence for anisotropy of cosmic acceleration (IUCAA Colloquium, 28 May 2020, Pune; IPPP Colloquium, 30 Apr 2020, Durham)
• Cosmic acceleration revealed by Type la supernovae? (Saturday Morning of Theoretical Physics, 1 Nov 2019, Oxford)
• Beyond the standard cosmological model (Physikalisches Kolloquium, 27 Nov 2017, Heidelberg)
• Is there evidence for cosmic acceleration? (Landelijk Seminarium@NIKHEF, 24 Mar 2017, Amsterdam)
• Cosmology beyond the standard model (Elizabeth Spreadbury Lecture @ UCL, 22 Mar 2017, London)
• Does dark energy exist? (Cosmology, Strings, and Phenomenology, 11-20 Jun 2007, Stockholm)
• Do CMB & LSS data require dark energy? (Outstanding questions for the standard cosmological model, 26-20 Mar 2007, London)
• What have we learnt from WMAP: Dark matter vs dark energy (The Dark Side of the Universe, 20-24 Jun 2006, Madrid)
• Cosmology in wonderland (IOP Particle Physics, 6-7 Apr 2004, Birmingham)

Reviews:

• Do supernovae indicate an accelerating universe? (European Journal of Physics: Special Topics, 2021)
• Is the evidence for dark energy secure? (Special issue of General Relativity & Gravitation, eds. G.F.R. Ellis et al, 2008)
• Does cosmological structure formation require dark energy? (Dark Energy & Dark Matter 2008, Lyon)
• Einstein's universe: The challenge of dark energy (The legacy of Albert Einstein, ed. S.R. Wadia, 2005)
• New results in cosmology (EPS-HEP 2001, Budapest)

Papers:

• A test of the cosmological principle with quasars (2021)
• Is there really a `Hubble tension'? (2021)
• The impact of peculiar velocities on supernova cosmology (2020)
• A response to Rubin & Heitlauf: ``Is the expansion of the universe accelerating? All signs still point to yes'' (2019)
• Evidence for anisotropy of cosmic acceleration (2019)
• The dipole anisotropy of AllWISE galaxies (2017)
• High redshift radio galaxies and divergence from the CMB dipole (2017)
• Marginal evidence for cosmic acceleration from Type Ia supernovae (2016)
• Frames of most uniform Hubble flow (2016)
• How rare is the Bullet Cluster (in a ΛCDM universe)? (2014)
• The integrated Sachs-Wolfe imprints of cosmic superstructures: a problem for ΛCDM (2012)
• Reconciling the local void with the CMB (2011)
• Probing the anisotropic local universe and beyond with SNe Ia data (2010)
• Constraints on large scale inhomogeneities from WMAP-5 and SDSS (2010)
• Multiple inflation and the WMAP 'glitches' II. Data analysis and cosmological parameter extraction (2007)
• Large-scale galaxy correlations as a test for dark energy (2005)
• An alternative to the cosmological 'concordance model' (2003)

Media coverage:

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