Midterm 2 Solutions: Difference between revisions
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<math>Z_{FM} =4</math> | <math>Z_{FM} =4</math> | ||
<math>Z_{AFM} =4</math> | <math>Z_{AFM} =4</math> | ||
b) | |||
Problem 2. | Problem 2. | ||
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[[Image:MOSFET pic.png]] | [[Image:MOSFET pic.png]] | ||
b) Since Coulomb interactions are long range by <math>e^2/r</math> high densities cause the formation of solids such as crystals. | b) Since Coulomb interactions are long range by <math>e^2/r</math> high densities cause the formation of solids such as crystals. | ||
f) where <math>T \rightarrow \infty</math> | |||
Revision as of 21:51, 6 April 2011
Problem 1.
a)
Image of square lattice with ferromagnetic coupling nearest neighbor spins. Anti-ferromagnetic coupling only second nearest neighbors.
b)
Problem 2.
a)
b) Since Coulomb interactions are long range by high densities cause the formation of solids such as crystals.
f) where
