HW9 - around and interact with spins on the other side of...

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Physics 4605 Wave Mechanics 2- Spring 2001 Homework #9 Due April 18, 2001 Problems 12.28, 12.29, 12.30, 12.31, 12.32, 12.53 Also: Read problem 12.50, and do the following as an Excel spreadsheet problem: Consider that the interacting spins can only have the value +1/2 or –1/2 along the “z” axis. Make an array of spins of size 10 x 10 spins. Spins on the “edge” of the array “wrap
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Unformatted text preview: around and interact with spins on the other side of the array (periodic boundary conditions). If you start with spins in a random alignment, what is the behavior of the spins as a function of the strength of the external field, B/lambda? Can you figure out how to include the effects of temperature? This is the Ising model of a magnetic material....
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