14 Introduction to the FourVector
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=URC7QU1XCRw
For more information about Professor Shankar's book based on the lectures from this course, Fundamentals of Physics: Mechanics, Relativity, and Thermodynamics, visit http://bit.ly/1jFIqNu. • Fundamentals of Physics (PHYS 200) • The four-vector is introduced that unifies space-time coordinates x, y, z and t into a single entity whose components get mixed up under Lorentz transformations. The length of this four-vector, called the space-time interval, is shown to be invariant (the same for all observers). Likewise energy and momentum are unified into the energy-momentum four-vector. • 00:00 - Chapter 1. Recap—Consequences of the Lorentz Transformations • 06:25 - Chapter 2. Causality Paradoxes: Killing the Grandmother • 15:22 - Chapter 3. A New Understanding of Space-Time • 25:51 - Chapter 4. Introducing the Fourth Dimension and Four-Vector Algebra • 44:09 - Chapter 5. The Space-Time Interval, or Proper Time • 51:47 - Chapter 6. Deriving the Velocity and Momentum Vectors in Space-Time • 01:04:40 - Chapter 7. The New Energy-Mass Relation • Complete course materials are available at the Yale Online website: online.yale.edu • • This course was recorded in Fall 2006.
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