De Sitter Space Courses and Certifications

BIMSA

Family Tree Decomposition of Cosmological Correlators

Explore analytical methods for computing cosmological correlators, including family tree decomposition for nested time integrals in dS and FRW universes.

• YouTube
• 59 minutes
• On-Demand
• Free Video

BIMSA

Polyhedra with Vertices on a Quadric

Explore combinatorial types of polyhedra with vertices on quadrics, from Steiner's 1832 question to recent findings using ideal polyhedra in various geometries.

• YouTube
• 50 minutes
• On-Demand
• Free Video

Institute for Advanced Study

The Complex Liouville String - Introduction to a New 2D Gravity/Matrix Integral Duality

Explore a new 2D gravity/matrix integral duality through the complex Liouville string, connecting two-dimensional string theory with dilaton gravity and cosmological correlators in dS3.

• YouTube
• 1 hour 17 minutes
• On-Demand
• Free Video

IPhT-TV

De Sitter Vacua at Leading Order - Landscapia

Explore de Sitter vacua in string theory at leading order, focusing on the Landscapia construction and its implications for cosmology and fundamental physics.

• YouTube
• 33 minutes
• On-Demand
• Free Video

IPhT-TV

De Sitter Vacua and Beyond - Landscapia

Explore de Sitter vacua and related concepts in string theory, delving into advanced topics in theoretical physics and cosmology.

• YouTube
• 54 minutes
• On-Demand
• Free Video

IPhT-TV

A dS from Higher Dimensions - Landscapia

Explore higher-dimensional de Sitter spaces and their connections to Landscapia theory in this advanced physics lecture by G. Bruno De Luca.

• YouTube
• 36 minutes
• On-Demand
• Free Video

Centrum Fizyki Teoretycznej PAN

Feynman Propagator on Curved Spacetimes - Definitions and Examples

Explore the Feynman propagator in Quantum Field Theory, examining its definitions and applications across various spacetime models, including stationary, FLRW, and de Sitter.

• YouTube
• 1 hour 9 minutes
• On-Demand
• Free Video

Erwin Schrödinger International Institute for Mathematics and Physics (ESI)

What if String Theory Has a de Sitter Excited State?

Explore the concept of de Sitter space as an excited state in string theory, examining its implications and differences from traditional coherent states.

• YouTube
• 42 minutes
• On-Demand
• Free Video

Erwin Schrödinger International Institute for Mathematics and Physics (ESI)

What if String Theory Has a de Sitter Excited State?

Explore the concept of de Sitter space as an excited state in string theory, examining its implications and differences from traditional coherent states.

• YouTube
• 42 minutes
• On-Demand
• Free Video

Erwin Schrödinger International Institute for Mathematics and Physics (ESI)

Festina Lente and Branes in Quantum Gravity

Explore universal bounds on brane tension in de Sitter space using the Festina Lente conjecture, cosmic censorship, and charged black hole evolution in quantum gravity.

• YouTube
• 30 minutes
• On-Demand
• Free Video

Stanford Physics

Chaotic Quantum Dynamics and the Quantum Geometry of Spacetime

Explore connections between chaotic quantum systems and black hole physics, and progress in describing accelerating universes using quantum mechanics and the SYK model.

• YouTube
• 1 hour 18 minutes
• On-Demand
• Free Video

Galileo Galilei Institute (GGI)

Debate on Quadrupole Formula in de Sitter

Explore the ongoing scientific debate surrounding quadrupole formulas in de Sitter spacetime through expert analysis of gravitational wave theory and cosmological implications.

• YouTube
• 55 minutes
• On-Demand
• Free Video

Harvard CMSA

Symmetries in the Hilbert Bundle Formulation of Quantum Gravity

Delve into quantum gravity's hydrodynamic approximation, exploring Einstein's equations, Hilbert bundles, and their relationship to spacetime symmetries through advanced mathematical frameworks.

• YouTube
• 47 minutes
• On-Demand
• Free Video

ICTP-SAIFR

Quantum Aspects of a Λ+0 Universe - Class 5

Explore quantum field theory in de Sitter spacetime and cosmological horizons through advanced theoretical physics concepts and mathematical frameworks.

• YouTube
• 1 hour 51 minutes
• On-Demand
• Free Video

ICTP-SAIFR

Quantum Aspects of a Λ+0 Universe - Class 3

Explore quantum field theory in de Sitter spacetime with positive cosmological constant, examining vacuum states, particle creation, and holographic duality principles.

• YouTube
• 1 hour 38 minutes
• On-Demand
• Free Video