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#De Sitter Space

Showing: 22 courses
Institute for Advanced Study

Some Half-Baked Thoughts About de Sitter Space - Leonard Susskind

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Explore de Sitter space holography, static patches, and Boltzmann fluctuations in this advanced theoretical physics seminar by renowned physicist Leonard Susskind, delving into quantum gravity and cosmology.
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28 Lesons
1 hour 29 minutes
On-Demand
Free-Video
Centrum Fizyki Teoretycznej PAN

Applications of Tractor Calculus in General Relativity - Part II

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Explore tractor calculus applications in general relativity, focusing on spacetimes with specific asymptotic behaviors. Learn about conformal infinities, higher fundamental forms, and implications for cosmological models.
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1 Lesons
1 hour 2 minutes
On-Demand
Free-Video
Centrum Fizyki Teoretycznej PAN

Applications of Tractor Calculus in General Relativity - Part 3

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Explore tractor calculus applications in general relativity, focusing on spacetimes with specific asymptotic behaviors. Learn about conformal infinities, higher fundamental forms, and implications for cosmological models.
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1 Lesons
53 minutes
On-Demand
Free-Video
International Centre for Theoretical Sciences

The Inflationary Paradigm - Lecture 2

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Explore inflationary cosmology, scalar fields, perturbations, and quantum fluctuations. Gain insights into chaotic inflation, metric perturbations, and tensor modes in early universe physics.
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26 Lesons
1 hour 39 minutes
On-Demand
Free-Video
BIMSA

Polyhedra with Vertices on a Quadric

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Explore combinatorial types of polyhedra with vertices on quadrics, from Steiner's 1832 question to recent findings using ideal polyhedra in various geometries.
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1 Lesons
50 minutes
On-Demand
Free-Video
International Centre for Theoretical Sciences

Aspects of De Sitter Space - Lecture 2

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Explore advanced concepts in de Sitter spacetimes, quantum mechanics, and cosmology. Delve into wave functions, SO(1,4) groups, and the dS/CFT correspondence with expert insights.
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9 Lesons
1 hour 20 minutes
On-Demand
Free-Video
International Centre for Theoretical Sciences

Aspects of De Sitter Space - Lecture 3

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Explore advanced concepts in de Sitter spacetimes, including quantum aspects, dS/CFT correspondence, and higher spin theories. Gain insights into cosmological horizons and their unique properties.
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13 Lesons
1 hour 19 minutes
On-Demand
Free-Video
International Centre for Theoretical Sciences

Aspects of De Sitter Space - Lecture 1

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Explore de Sitter spacetimes, quantum aspects, and their relation to conformal theories. Delve into Vasiliev theory and compare cosmological and black hole horizons in this advanced physics lecture.
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13 Lesons
1 hour 8 minutes
On-Demand
Free-Video
Kavli Institute for Theoretical Physics

Algorithmic Proposal for a Timelike-Boundary Dual of dS3 with Matter

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Eva Silverstein presents an algorithmic proposal for a timelike-boundary dual of dS_3 with matter, exploring new perspectives on spacetime in string theory and holographic dualities beyond anti-de Sitter space.
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1 Lesons
46 minutes
On-Demand
Free-Video
Galileo Galilei Institute

Theoretical Aspects of Inflation - Lecture 1

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Explore theoretical aspects of cosmic inflation, examining its fundamental principles and implications for our understanding of the early universe and cosmology.
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1 Lesons
1 hour 36 minutes
On-Demand
Free-Video
International Centre for Theoretical Sciences

HKLL in de Sitter Space

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Exploration of HKLL formalism in de Sitter space, examining quantum field reconstruction and holography in curved spacetime with implications for quantum gravity and cosmology.
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1 Lesons
37 minutes
On-Demand
Free-Video
International Centre for Theoretical Sciences

De Sitter Space, Extremal Surfaces and Time Entanglement

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Explore quantum gravity and information theory in de Sitter space, focusing on extremal surfaces and time entanglement. Gain insights into spacetime emergence and holography.
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1 Lesons
46 minutes
On-Demand
Free-Video
Institute for Advanced Study

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

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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.
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1 Lesons
1 hour 17 minutes
On-Demand
Free-Video
Stanford Physics

Chaotic Quantum Dynamics and the Quantum Geometry of Spacetime

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Explore connections between chaotic quantum systems and black hole physics, and progress in describing accelerating universes using quantum mechanics and the SYK model.
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1 Lesons
1 hour 18 minutes
On-Demand
Free-Video
IPhT-TV

De Sitter Vacua at Leading Order - Landscapia

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Explore de Sitter vacua in string theory at leading order, focusing on the Landscapia construction and its implications for cosmology and fundamental physics.
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1 Lesons
33 minutes
On-Demand
Free-Video
IPhT-TV

De Sitter Vacua and Beyond - Landscapia

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Explore de Sitter vacua and related concepts in string theory, delving into advanced topics in theoretical physics and cosmology.
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1 Lesons
54 minutes
On-Demand
Free-Video
IPhT-TV

A dS from Higher Dimensions - Landscapia

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Explore higher-dimensional de Sitter spaces and their connections to Landscapia theory in this advanced physics lecture by G. Bruno De Luca.
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1 Lesons
36 minutes
On-Demand
Free-Video
BIMSA

Family Tree Decomposition of Cosmological Correlators

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Explore analytical methods for computing cosmological correlators, including family tree decomposition for nested time integrals in dS and FRW universes.
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1 Lesons
59 minutes
On-Demand
Free-Video
Erwin Schrödinger International Institute for Mathematics and Physics (ESI)

Festina Lente and Branes in Quantum Gravity

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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.
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1 Lesons
30 minutes
On-Demand
Free-Video
Erwin Schrödinger International Institute for Mathematics and Physics (ESI)

What if String Theory Has a de Sitter Excited State?

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

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Explore the concept of de Sitter space as an excited state in string theory, examining its implications and differences from traditional coherent states.
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1 Lesons
42 minutes
On-Demand
Free-Video
Centrum Fizyki Teoretycznej PAN

Feynman Propagator on Curved Spacetimes - Definitions and Examples

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Explore the Feynman propagator in Quantum Field Theory, examining its definitions and applications across various spacetime models, including stationary, FLRW, and de Sitter.
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1 Lesons
1 hour 9 minutes
On-Demand
Free-Video