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20. Quantum Mechanics II

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Physics

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, II (PHYS 201)

Lecture begins with a detailed review of the double slit experiment with electrons. The fate of an electron traversing the double slit is determined by a wave putting an end to Newtonian mechanics. The momentum and position of an electron cannot both be totally known simultaneously. The wave function is used to describe a probability density function for an electron. Heuristic arguments are given for the wave function describing a particle of definite momentum.

00:00 – Chapter 1. Review of Double Slit Experiment using Electrons
20:28 – Chapter 2. Heisenberg’s Uncertainty Principle
42:32 – Chapter 3. The Probability Density Function of an Electron

This course was recorded in Spring 2010.

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.