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Black Holes, Quantum Mechanics and the Reversibility of Time by Suvrat Raju

International Centre for Theoretical Sciences via YouTube

Overview

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This course explores the concepts of Black Holes, Quantum Mechanics, and the Reversibility of Time. The learning outcomes include understanding the paradoxes that arise when applying quantum mechanics to black holes, recent progress towards resolving these paradoxes, and the delicate correlations involved in the reversibility of time evolution. The course teaches skills such as analyzing projectile motion, understanding entanglement, and exploring the spectrum of Hawking radiation. The teaching method involves a lecture format with a focus on theoretical physics concepts. The intended audience for this course is individuals interested in theoretical physics, quantum gravity, and quantum field theory.

Syllabus

When: 4:00 pm to pm Saturday, 14 January 2023
Introduction
Black Holes, Quantum Mechanics and the Reversibility of Time
Projectile motion
Projectile motion: scales
Projectile motion: reversibility
Reversibility
Escape velocity
Newtonian gravity
Scope of Newtonian gravity
Nonlocality in Newtonian gravity
The fabric of spacetime
Locality in general relativity
A black hole
Theorists and black holes!
Datt-Oppenheimer-Snyder collapse
Penrose diagrams
Journey through physics
Schrodinger's cat
Superpositions
Entanglement
Consequences of entanglement
Fluctuations of spacetime
Pair creation
Hawking radiation
Spectrum of Hawking radiation
Black-hole evaporation
Lifetime!
The life of a dead star
Information paradox
Reversibility of time evolution
Solution: delicate correlations
Formation of correlations?
Holography of information
Recovery of information
Energy Eigenstates in Quantum Mechanics
Localization via superposition
Energy in Gravity
Gravitational tails
Failure of localization in gravity
No split states in gravity
Errors in Hawking's argument
Thank You
Q&A

Taught by

International Centre for Theoretical Sciences

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