Physics 424: Quantum Mechanics, Fall 2015 Reading/Homework Assignment 1 Due in Class Friday, 9/18/15 1 Reading • Feynman Lectures on Physics Vol. 3, Ch. 1 “Quantum Behavior” (handed out and posted on Moodle). • Townsend Section 1.1 – The Original Stern-Gerlach Experiment • Townsend Section 1.2 – Four Experiments • Townsend Section 1.3 – The The Quantum State Vector Problems to work out and turn in (70 pts total) The first few problems ask you to recall some results from wave mechanics. Feel free to look up the answers in your P284 text or elsewhere—I don’t need you to re-derive these results, but I do want you to fix them in your mind so we can build on them later in the course. I am also asking you to insert some actual numbers into the formulas. You will need to look up physical quantities like the electron mass and the density of silicon (try Google or Wikipedia). Be sure to use a consistent system of units such a SI (distances in meters, densities in kg/m 3 , etc.). 1. A particle of mass m can move in one dimension and is confined to a box of width a (this is an infinite square well).
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