hw1
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hw1 [2016/03/24 16:44] – [Sommerfeld model] janet | hw1 [2016/03/30 12:44] – [3. Maximum surface resistance] janet | ||
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====== Homework #1 ====== | ====== Homework #1 ====== | ||
+ | PH 671 - Spring 2016, //Due 5pm on Friday, Week 1// | ||
- | //Due 5pm on Friday Week 1// | + | ===== 1. Sommerfeld model (3d FEG)===== |
+ | **a)** Assuming the Sommerfeld model, and starting from a sketch of allowed traveling wave states in k-space, show that // | ||
- | ===== Sommerfeld model ===== | + | **b)** Estimate // |
- | **a)** Assuming the Sommerfeld model, and starting from a sketch of allowed traveling wave states in k-space, show that //n//_3d = (//k//_F)³/3π². | + | ===== 2. 2d FEG ===== |
+ | A&M 2.1 (a)-(d) | ||
- | **b)** Do the same thing for a one-dimensional electron gas, i.e. relate //n//_1d to //k//_F (now the electron traveling waves are described by only //k//_x). | + | ===== 3. Maximum surface resistance ===== |
- | + | Kittel | |
- | **c)** Estimate //n_3d// and //E//_F for gold using physical/ | + | |
- | + | ||
- | * A&M 2.1 (2-d problem) | + | |
- | * Kittel | + | |
hw1.txt · Last modified: 2020/03/06 09:14 by 127.0.0.1