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Date & Time 12 April 2017, 18:00 to
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Black Holes and the Reversibility of Time
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Newtonian gravity
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Scope of Newtonian gravity
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Nonlocality in Newtonian gravity
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Special Relativity
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The Fabric of Spacetime
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General Relativity
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Locality in general relativity
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The Schwarzschild solution
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Sagittarius A*
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GRS 1915
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Gravity waves from black holes
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Theorists and black holes!
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Datt-Oppenheimer-Snyder Collapse
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Penrose Diagrams
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Modifying a black hole
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Modifying a black hole: spacetime diagram
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Dynamics of idealized black holes
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Black Holes and Thermodynamics
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Temperature of Black Holes
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Pair creation
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Hawking radiation
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Spectrum of Hawking radiation
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Black Hole Evaporation
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Lifetime!
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Lifetime-some numbers
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The life of a dead star
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The Information Paradox
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Reversibility of time evolution
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Possible solution: delicate correlations
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Size of correlations
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Formation of correlations?
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Purity of radiation
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Nonlocal information transmission
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Complementarity
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Toy model of complementarity
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Complementarity in flat space?
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Threads of spacetime
Description:
Explore the fascinating world of black holes and their challenge to the principle of time reversibility in this hour-long lecture. Delve into the black hole information paradox, which arises when seemingly irretrievable information is lost in a black hole. Journey through key concepts in physics, from Newtonian gravity to General Relativity, and examine the Schwarzschild solution and real-world examples like Sagittarius A*. Investigate black hole thermodynamics, Hawking radiation, and the process of black hole evaporation. Analyze potential solutions to the paradox, including delicate correlations and the concept of complementarity. Gain insights into recent developments that suggest a resolution to this long-standing puzzle in theoretical physics.

Black Holes and the Reversibility of Time by Suvrat Raju

International Centre for Theoretical Sciences
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