October

October

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1 2
lecture 9

Separation of variables in spherical coordinates, Legendre polynomials, examples of problems with azimuthal symmetry.
3
lecture 10

Uniformly polarized sphere, electrostatic multipole expansion, monopole, dipole, quadrupole moments

make-up lecture 9:40-10:55 am in BL 372
4
HW #3 due 2pm
5

6 7
lecture 11

Dependence of multipoles on the choice of coordinate origin, electric quadrupole example, general form for the angular distribution of the quadrupole term and why trace[Q]=0.
8 9
lecture canceled
10
lecture 12

Some additional points on the electrostatic multipole expansion, magnetostatic multipole expansion, magnetic dipole approximation, magnetic dipole for a flat planar loop

make-up lecture 9:40-10:55 am in BL 372
11
HW #4 due 2pm
12

13 14
fall break
15
fall break
16
lecture 13

Magnetostatic scalar potential, boundary conditions at a sheet current, examples
17
lecture 14

Symmetry under parity transformations, vectors and psuedovectors, macroscopic Maxwell's equations, dielectrics, polarization density, electric displacement vector D

make-up lecture 9:40-10:55 am in BL 372
18 19

20 21
lecture canceled
22 23
lecture 15

Bound surface charge density, magnetic materials, average microscopic current
24
lecture 16

Magnetization density and bound current, the magnetic field H, conservation of bound charge, bound surface current, vanishing of total bound charge and bound current, boundary conditions

make-up lecture 9:40-10:55 am in BL 372
25
HW #5 due 2pm
26

27 28
lecture 17

Linear materials, electric and magnetic susceptibilities, dielectric constant, magnetic permeability, atomic polarizability and the Clausius-Mossotti equation, screening of free charge, examples, a point charge in a dielectric sphere
29 30
lecture 18

A point charge in a dielectric sphere, bar magnets, electromagnetism and conservation of energy
31