
Teaching
James C. Weatherall
 classical electrodynamics, magnetic charge, Proca's equation and photon mass, vacuum polarization effects
 discrete charge distributions and deltafunctions, surface boundary conditions, Poisson and Laplace equations
 method of images, variational methods, solving boundary value problems with Green's functions
 solving boundary value problems with series expansions
 multipole expansions, dielectric media
 magnetostatics, magnets
 magnetic diffusion, Maxwell's equations, retarded solutions for fields, Poynting's theorem, Dirac monopoles
 electromagnetic waves, dispersion, signal propagation
 propagation of waves in dispersive media, whistler waves
 modes in rectangular waveguides, resonant cavities, Schumann resonances
 antennas, multipole fields
 scattering by spheres, diffraction in apertures
 special theory of relativity, relativistic covariance, Thomas precession, relativistic dynamics
 collision with charged particles
 LienardWiechert, Larmor formulas, radiation by particles, synchrotron emission
 bremsstrahlung, radiation in betadecay
 radiation reaction, radiation by classical oscillator

Electricity and Magnetism

Graduate course in classical electromagnetic theory and topics in mathematical physics. Two semesters out of Jackson.
 Basic stellar data  brightness of stars, colors of stars, color magnitude diagrams, distances
 Gravitational instability  free fall time, hydrostatic equilibrium, virial theorem, Jeans' instability, KelvinHelmholtz time
 Simple stars  Chandrasekhar integral theorems, polytropes
 Radiative equilibrium  radiation transfer, radiative equilibrium, radiative diffusion, opacities
 Convection  convective energy transport, Schwarzchild stability criteria, Benard convection theory, mixing length theory
 Energy generation  protonproton cycle, CNO cycle, triple alpha reaction
 Pulsars  electrodynamics of rotating neutron stars

Stellar Astrophysics

Graduate course in the internal structure and evolution of stars. The internal structure and evolution of stars described from formation out of the interstellar medium, to radiative and hydrostatic equilibrium in the main sequence, to white dwarfs, neutron stars, and black holes. Emphasis on the physics of hydrostatic equilibrium, radiative and convective transport, and observational tests of stellar models through the color magnitude diagram.
 Relativistic astrophysics
  limits of special relativity, theory of straight lines, connection coefficients, Riemann curvature, geodetic deviation, nearly Newtonian metric, postNewtonian physics, photon geodesics, radar sounding, photon deflection by sun, Schwarzchild metric, perihelion advance, spacetime of black holes
 Astrophysical fluids
  theory of fluid motion, equation of state, hydrostatics, polytropes/stars,nsound waves, shocks, supernova remnants, Sedov expansion, snowplow expansion, fluid instabilities, accretion, xray binaries, stellar outflows, coronal expansion, bow shocks,generalized virial theorem, collapse of gas clouds, pulsating stars, collapsing stars, degenerate matter,neutron stars
 Plasma astrophysics
  waves in plasmas, physics of pulsars, Fermi acceleration, cosmic rays

Astrophysics IV

Topics in the physics of astrophysical systems, including applications of hydrodynamics and general relativity. Examples include stars, the interstellar medium, galaxies, and compact objects.
 Thermal processes  Boltzmann law, photon distribution functions, Rayleigh/Jeans spectrum, Planck spectrum, radiative intensity and flux, radiation pressure, Eddington limit, thermal particle distribution, Fermi distribution function, gas pressure, equations of state, degenerate pressure, Maxwell/Boltzmann distribution, atomic states, two level atom, ion states, Saha equation
Applications: accretion flows  white dwarfs  Chandrasekhar limit
 Electromagnetic processes  radiation physics, Larmor radiation formula, emission by collisions: freefree emission, thermal emissivity: Bremsstrahlung, theory of radiation transfer, radiative opacity, emission by scattering: Thompson scattering, emission in magnetic fields, cyclotron emission, polarization, Stokes parameters, propagation in plasmas, dispersion and Faraday rotation
Applications: radiative equilibrium of stars, radio emission of HII regions, cataclysmic variables, xray emission of intergalactic medium, pulsars
 Relativistic processes  Lorentz transforms, four vectors, Maxwell tensor; covariant physics, Compton scattering, inverse Compton scattering, Kompaneet's equation, Comptonized spectra, relativistic emission in magnetic fields, synchrotron emission, synchrotron ensemble radiation, spectrum, synchrotron polarization, synchrotron self absorption, Compton synchrotron limit
Applications: Sunayev/Zeldovich effect, accretion disks, supernova remnants, active galactic nuclei
 Atomic processes  classical spectral line, line broadening mechanisms, quantum transition rates, spectroscopic terms: selection rules, oscillator strengths: equivalent widths
Applications: Interstellar Medium, nonLTE excitation of nebula lines, ionization equilibrium and Stromgren spheres, interstellar masers

Astrophysics III

Topics in the physics of astrophysical gases, with emphasis on radiative processes. Part of undergraduate option in astrophysics; also required of graduate students without coursework in this area.

General Physics II

Basic concepts in electricity and magnetism, quantum mechanics and thermal physics.
Graduate Seminar
Physics Seminar Series

