Mathematical Physics Lecture
Kevin Costello - Perimeter Institute for Theoretical Physics
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Cosmology Lecture
Ghazal Geshnizjani - Perimeter Institute for Theoretical Physics
Cosmology Theory
Zach Weiner - Perimeter Institute for Theoretical Physics
Neutron Stars as Laboratories for Physics Beyond the Standard Model
Anirudh Prabhu
Compact objects like neutron stars and black holes host extreme conditions that cannot be replicated in terrestrial laboratories or even by the most ambitious future particle colliders. These conditions make them unparalleled natural laboratories for exploring new physics. Neutron stars stand out…
Lecture - Combinatorial QFT, CO 739-002
Michael Borinsky - Perimeter Institute for Theoretical Physics
Multi-messenger explosions from compact objects at all scales
Luciano Combi - Perimeter Institute for Theoretical Physics
The calm of the quiescent sky is regularly interrupted by bursts of light that can outshine the entire galaxy. These powerful explosions are associated with mergers of compact objects, the collapse of stars, and rapidly accreting black holes, where gravitational binding energy is released and…
Equivariant Localization in Supergravity
Jerome Gauntlett - Imperial College London
Important BPS quantities, including central charges, black hole entropy and the on-shell action, can be computed for supersymmetric solutions of supergravity without ever solving the Einstein equations or the Killing spinor equations. Instead one exploits the fact that the solutions have a Killing…
Comments on the phase of the euclidean quantum gravity path integral on the sphere
Juan Maldacena - Institute for Advanced Study (IAS) - School of Natural Sciences (SNS)
Instructor Discussion - Beautiful Papers - PHYS 773, September 12 - December 1, 2025
Pedro Vieira - Perimeter Institute for Theoretical Physics
PIRSA:25100036 Course Condensed Matter Mathematical physics Quantum Fields and Strings Quantum Information
What are the `axioms’ of General Relativity? Ask Quantum Gravity!
Fay Dowker - Imperial College London
The good books on GR agree on certain aspects of the theory that we could consider to be its “core” features. Beyond the core, however, we do not know exactly what GR should allow or not allow physically. For example, should we consider spacetimes with closed causal loops as part of physical GR or…
