Lecture 23: Superconductivity
The quantum stability of a superconductor ensures that electrons can carry current perfectly, without losing energy. There are 2 ingredients to this p...
Solid State Physics
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Physics 545 Solid State Physics at Purdue University. Textbook: Introduction to Solid State Physics by C. Kittel. Course webpage
Lecture 23: Superconductivity
The quantum stability of a superconductor ensures that electrons can carry current perfectly, without losing energy. There are 2 ingredients to this p...
Lecture 22: Antiferromagnets
We finish off the low temperature corrections to the magnetization in a ferromagnet due to spin wave excitations, and also calculate the energy and he...
Lecture 22: Antiferromagnets
We finish off the low temperature corrections to the magnetization in a ferromagnet due to spin wave excitations, and also calculate the energy and he...
Lecture 13: p-n Junctions
We talk more about holes today. They don't really exist, you know! But when only a few electrons are missing from the valence band, it's so much more ...
Lecture 13: p-n Junctions
We talk more about holes today. They don't really exist, you know! But when only a few electrons are missing from the valence band, it's so much more ...
Lecture 5: Heat Capacity
We define the heat capacity, and calculate the phonon heat capacity in the high and low temperature limits. We also introduce the density of states. T...
Lecture 5: Heat Capacity
We define the heat capacity, and calculate the phonon heat capacity in the high and low temperature limits. We also introduce the density of states. T...