Cosmology and Relativity Group (CRAG) seminars
Academic year 2018–19
Seminars are (usually) on Wednesdays at 3pm in J11 Hicks.
Semester one
Week 1, 26 Septmeber
Group meeting
Week 2, 3 October
Group introductions
Week 3, 10 October
Visakan Balakumar and Jake Percival
Report from QFT Energy inequalities conference
Week 4, 17 October
Jack Morrice (Cape Town)
Streams: A small, mesh-based look at large structure formation
Week 5, 24 October
Elizabeth Winstanley (Sheffield)
Quantum expectation values on black hole space-times
Week 6, 31 October
Week 7, 7 November
Nicola Rendell (York)
Infrared divergences in cosmological spacetimes
Week 8, 14 November
Eleni Kontou (York)
Strong quantum energy inequality and the Hawking singularity theorem
Week 9, 21 November
Konstantinos Dimopoulos (Lancaster)
Cosmic inflation and dark energy from the electroweak phase transition
Week 10, 28 November
Paul McFadden (Newcastle)
Conformal field theory in momentum space
Week 11, 5 December
Thomas Morley (Sheffield), Jake Percival (Sheffield)
Renormalised vacuum polarisation on topological black holes
Semiclassical gravity for static spacetimes: Universality and structure dependence
Week 12, 12 December
Sebastian Trojanowski (Sheffield)
Looking forward to new physics with FASER: Forward Search Experiment at the LHC
19 December
SoMaS Christmas party
Semester two
Week 1, 6 February
Week 2, 13 February
Robert Hagala (Oslo)
Scalar field phenomenology in disformally-coupled quintessence
Week 3, 20 February
Examiners meeting
Week 4, 27 February
Susha Parameswaran (Liverpool)
Dark energy in string theory
Week 5, 6 March
Markus Fröb (Leipzig)
Quantum gravitational backreaction in the case of the local Hubble rate
Week 6, 13 March
Luisa Lucie-Smith (UCL)
Machine learning dark matter halo formation
Week 7, 22 March
Steffen Gielen (Nottingham)
The universe as a condensate of spacetime atoms
Week 8, 27 March
Erik Baxter (Sheffield Hallam)
Extending the modified no-hair conjecture: Dyonic furry black holes
Week 9, 3 April
David Sloan (Lancaster)
Through the Big Bang
10 April
BritGrav practice talks
Easter break
Week 10, 1 May
Week 11, 8 May
Kasia Rejzner (York)
AM Colloquium: Perturbative algebraic QFT – Example of the sine-Gordon model
Week 12, 15 May
Yury M. Pismak
AM Colloquium: Modeling the interaction of the quantum electrodynamics fields with extended material bodies
Week 13, 22 May
Chris Shepherd (Manchester)
Some like it hot: R^2 heals Higgs inflation, but does not cool it
Week 14a, 28 May
James Edholm (Lancaster)
Modifying general relativity without introducing ghosts
Week 14b, 29 May
Mohamed Ould El Hadj (Sheffield)
The Regge pole approach to black hole physics
Week 15, 4 June
Visakan Balakumar (Sheffield)
Hadamard renormalisation of charged scalar fields