Differences

This shows you the differences between two versions of the page.

--- start [2016/03/24 11:02] – janet
+++ start [2016/03/24 12:46] – janet
@@ Line 1: / Line 1: @@
-^ Week 1^^Topic^Reading^Summary^Assignments|
+^ Week 1^^Topic^Reading^Assignments|
-|1|M 3/28|Physics Comp Exam| |No class|[[hw1|HW #1]]|
+|1|M 3/28|Physics Comp Exam - No class| |[[hw1|HW #1]]|
-|[[2]]|W 3/30|Sommerfield model|A&M Ch 2-3, Kittel Ch 6|{{::day1.pdf|}}: Gas of free electrons trapped in a 3d potential. Fermi Energy. Orders of magnitude. Introduce periodic potential.| |
+|[[2]]|W 3/30|Sommerfield model|A&M Ch 2-3, Kittel Ch 6| |
-|[[3]]|F 4/1|Occupation function|A&M Ch 8 & Ch 12|{{::day2.pdf|}}: Drawing the occupation function in k-space, Bloch's theorem, free electron gas at T = 0, electron velocity, electron response to E-field, relaxation time, calculating a current.| |
+|[[3]]|F 4/1|Occupation function|A&M Ch 8 & Ch 12| |
+^Week 2^^Topic^Reading^Assignments|
+|[[4]]|M 4/4|Phonon scattering |A&M Ch 13|[[hw2|HW #2]]|
+|[[5]]|W 4/6|Phonon scattering|A&M Ch 13| |
+|[[6]]|F 4/8|Ballistic Transport|Kittel Ch 18 (Nanostructures)| |
-^Week 2^^Topic^Reading^Summary^Assignments|
-|[[4]]|M 4/4|Phonon scattering |A&M Ch 13|{{::day3_2013.pdf|}}: Drude result for calculating current density. Phonon review, {{:l24.pdf|ph575 notes24}}. Fermi Golden Rule for scattering probability. Transition matrix element for electron-phonon interaction. Conservation of momentum/energy. Scattering probability. |[[hw2|HW #2]]|
-|[[5]]|W 4/6|Phonon scattering|A&M Ch 13|{{::day4_2013.pdf|}}: Temperature dependent resistivity in metals predicted by phonon scattering matrix elements. Highest energy phonon sets important energy scale. Estimation of highest energy phonon. Introduction to electron transport in ballastic systems. | |
-|[[6]]|F 4/8|Ballistic Transport|Kittel Ch 18 (Nanostructures)|{{::day5_2013.pdf|}}: Comparison with diffusive transport. CNT example. Calculating the conductance quantum. Definitions of 1d channels. Systems with multiple 1d channels.|{{::hw2solns.pdf|}} |
 ^Week 3^^Topic^Reading^Summary^Assignments|
 |[[7]]|M 4/11|Adding scattering|Kittel Ch 18 (Nanostructures)|{{::day6_2013.pdf|}}: Add scattering to a ballistic system. One scattering site reduces current by transmission probability. Two scattering sites, transmission depends on wave interference.|[[hw3|HW #3]]|
 |[[8]]|W 4/13|Adding scattering|Kittel Ch 18 (Nanostructures)|{{::day7_2013.pdf|}}: Pair of inelastic scattering sites. See hw#3 for many inelastic scattering sites. Many elastic scattering sites. Anderson localization. Review of what we've covered so far. Temperature-dependent conductivity of lightly doped semiconductors. Gate-voltage-dependent conductivity of lightly doped semiconductors.| |
 |[[9]]|F 4/15|Variable range hopping. Mott Insulators|{{:mott_-_variable_range_hopping.pdf|Mott's txt bk}}, A&M p340 & 542|{{::day8_2013.pdf|}}: Disordered semiconducting materials: conductance vs. temperature predicted by variable range hopping theory. Introduction to Mott insulator state. Calculation of critical lattice constant for metal-insulator transition. Little //a// limit: Thomas-Fermi screening depends on the electron concentration. Big //a// limit: polarizability depends on the distance to neighboring dipoles. |{{::hw3solns.pdf|}}|
 ^Week 4^^Topic^Reading^Summary^Assignments|
 |[[10]]|M 4/18|Electrons in B-field|{{::feynman_abeffect.pdf|Feynman Lecture on AB effect}} |{{::day9_2013.pdf|}}: Topological phenomena in electron transport. Electrons in B-field: Hall effect, Aharanov-Bohm effect.  |[[hw4|HW #4]]|
@@ Line 18: / Line 20: @@
 ^Week 5^^Topic^Reading^Summary^Assignments|
 |[[13]]|M 4/25|Superconductivity|Ibach chapter|{{::day12_2013.pdf|}}: The experimental observations. Note about Type I vs. Type II. Composite bosons. Ionic lattice can be deformed: trail of deformation. Size scale for attractive interaction. The Cooper pair wavefunction. The Cooper pair binding energy at T = 0.  The number density of Cooper pairs. Temperature dependence of Cooper pair binding energy.  |[[hw5|HW #5]]|
 |[[14]]|W 4/27|Superconductivity|Ibach chapter|{{::day13_2013.pdf|}}: Center of mass motion of Cooper pairs. Critical current density. London equation. London penetration depth. Solenoid field generated by a solid cylinder of superconductor. Critical B field for Type I superconductor. Explaining the difference between Type I and Type II superconductors. | |
 |[[15]]|F 4/29 | | | ||
-Let's make a new page [[hwk|homework page is new]]