Fundamental Cosmology & Dark Energy
Publications
Talks:
 The cosmic dipole anomaly
(A
multipolar universe?, 47 Sep 2023, Thessaloniki)
 Is the Universe isotropic?
(A.K. Raychaudhuri
Centenary Symposium, 1112 Aug 2023, Kolkata)
 A challenge to the standard cosmological model
(Zurich
Physics Colloquium (video),
15 November 2023, Zurich; Frontiers in Cosmology, 22 Feb 2023, Bangalore; TIFR
Colloquium (video), 8 Feb 2023, Mumbai; Annual
Theory Meeting, 14 Dec 2022, Durham; ‘FestKolloquium’:
Werner Hofmann & Felix
Aharonian, 8 Dec 2022, Heidelberg; Joint
CavendishDAMTP Seminar, 4 Nov 2022, Cambridge;
Nordita
Astrophysics Seminar (video),
12 Oct 2022, online; Workshop on the Standard Model & Beyond, 1 Sep 2022, Corfu;
XXIX
Intern. Conf. on Supersymmetry & Unification of Fundamental
Interactions (video), 27 Jun2 Jul
2022, Ioannina;
24th Intern. Conf.: From
the Planck Scale to the Electroweak Scale, 30 May3 Jun 2022, Paris)
 Testing the Cosmological Principle
(Joint Hawaii Physics & IfA colloquium
(video), 21 Sep 2022, online;
Challenges to ΛCDM,
57 Sep 2022, Thessaloniki; A
Discussion on the Cosmological Principle, 2528 Oct 2021, online; 38th Conference on
Recent Developments in High Energy Physics & Cosmology (video),
1619 Jun 2021, online; Cosmological Frontiers
in Fundamental Physics: APCPerimeterSolvay 2021,
26 May 2021, online; SLAC
EPP Theory Seminar, 14 May 2021, online; Demokritos
Colloquium, 11 May 2021, online; Tehran Meeting
on Cosmology at the Crossroads
(video),
23 Feb 2021, online)
 Falsifying the standard cosmological model
(MajoranaRaychaudhuri
Seminar, 26 Aug 2022, online)
 Reconstructing cosmology (XV Intern. Conf. on
Interconnections between Particle Physics & Cosmology, 610 Jun 2022, St Louis)
 Reexamining cosmic acceleration
(Sommerfeld Theory
Colloquium (video),
20 Jan 2021, online; IFPU
Colloquium (video),
18 Dec 2020, online)
 Beyond the cosmological standard model
(International Symposium on Recent Developments in
Relativistic Astrophysics, 1113 Dec 2023, Gangtok; DESY
Colloquium (video),
1 Dec 2020, online)
 Challenging the cosmological principle
(Newton
1665 Seminar (video), 23 Oct
2020, online)
 Evidence for anisotropy of cosmic acceleration
(IUCAA
Colloquium (video), 28
May 2020, online; IPPP
Colloquium, 30 Apr 2020; Cosmology
Seminar 17 Dec 2019, Geneva)
 Cosmic acceleration revealed by Type la supernovae?
(Saturday
Morning of Theoretical Physics (video), 1 Nov 2019, Oxford)
 Beyond the standard cosmological model
(Physikalisches Kolloquium, 27 Nov 2017, Heidelberg)
 Is there evidence for cosmic acceleration?
(NIKHEF Landelijk
Seminarium, 24 Mar 2017, Amsterdam)

Cosmology beyond the standard model (Elizabeth
Spreadbury Lecture (slides), 22 Mar 2017, London)
 Current problems in cosmology
(APPEC Town Meeting, 67 Apr 2016, Paris)
 Does dark energy exist?
(Cosmology,
Strings, and Phenomenology, 1120 Jun 2007, Stockholm)
 Do CMB & LSS data require dark energy?
(Outstanding
questions for the standard cosmological model, 2620 Mar 2007, London)
 What have we learnt from WMAP: Dark matter vs dark energy
(The Dark Side of the
Universe,
2024 Jun 2006, Madrid)
 Cosmology in wonderland
(IOP
Particle Physics (slides), 67 Apr 2004, Birmingham)
Reviews:
Papers:
Media coverage: