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Neutron Stars and Black Holes Lecture - 7: Einstein's General Theory of Relativity
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The Physical Content of Einstein's General Theory of Relativity
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Dining Hall of Trinity College, Cambridge Christmas Recess, 1933
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6 November, 1919
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Deflection of light by the Sun
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Sir J.J. Thompson President, Royal Society
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Times 7 November 1919
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Ticker Tape Parade for Einstein New York, April, 1921
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Newton's Laws of Motion
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The Aristotelian view
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Inertial Observers
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Newton's principle of Relativity
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Einstein's Principle of relativity
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Results of Special Relativity
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Hermann Minkowski
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Space-time before Minkowski
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Sheets of paper
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Minkowski's space-time
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Minkowski's spacetime
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Einstein was not impressed with Minkowski's ideas.
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Newton's gravity inconsistent with special relativity
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Henri Poincare
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Principle of relativity at odds with gravity
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Newton's Principle of Equivalence
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Principle of Equivalence
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Equality of inertial mass & gravitational mass
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"Happiest thought of my life"
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A freely falling frame is an inertial frame!
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Principle of Equivalence Einstein's 'thought experiments'
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Einstein's principle of equivalence: 1907
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Gravitational red shift
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Deflection of light: 1911
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Deflection of light in Newtonian gravity
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Deflection of light: 1915
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March 1912
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ALL acceleration derived from gravitational and inertial forces are 'metrical in origin'
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Let us break up Newton's law into two parts:
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Einstein's basic premise
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1912: Einstein returns to Zurich
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Einstein - Grossman collaboration
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Einstein's basic premise: 1912
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Einstein-Grossmann paper - 1913
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Einstein's Laws of gravitation
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Newtonian Gravity
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In regions where no matter is present
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In regions where matter is present
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Conservation Laws
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Einstein's field equations
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Newtonian limit
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Einstein-Hilbert field equations
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The Schwarzschild Solution
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On the Hypotheses which lie at the Bases of Geometry. Bernhard Riemann
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Nature and Nature's laws lay hid at night: God said, Let Newton be! and all was light.
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Next Lecture - Maximum mass of Neutron Stars
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Q&A
Description:
Explore Einstein's General Theory of Relativity in this comprehensive 2-hour 23-minute lecture by G Srinivasan from the International Centre for Theoretical Sciences. Delve into the physical content of the theory, tracing its development from Newton's laws to Einstein's groundbreaking ideas. Examine key concepts such as the principle of equivalence, gravitational redshift, and light deflection. Learn about the Einstein-Grossmann collaboration, Einstein's field equations, and the Schwarzschild solution. Gain insights into the historical context, including Einstein's "happiest thought" and the 1919 solar eclipse observations. Understand how Einstein's work revolutionized our understanding of gravity, spacetime, and the universe.

Einstein's General Theory of Relativity - Lecture 7

International Centre for Theoretical Sciences
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