PHYS 652

Symmetry in quantum mechanics: Symmetries, conservation laws, and degeneracies.  Discreet symmetries, parity.  Lattice translation, Time –Reversal.

Identical particles:  Permutation symmetry, Symmetrization postulate, two-electron system. The Helium atom. Permutation symmetry and Young Tableaux.

Scattering theory:  The Lippmann-Schwinger equation, The Born approximation, Optical theorem. Methods of partial waves, Low energy scattering and bound states, Resonance scattering.  Identical particles and scattering, Coulomb scattering