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Quantum Theory I

Class at Faculty of Mathematics and Physics |
NBCM110

Syllabus

* 0. Formal scheme of quantum theory

Dirac notation; theory of representations; summary of basics of quantum mechanics; pure and mixed states; density matrix

* 1. Angular momentum

Spin - Stern-Gerlach experiments; Larmor precession; Rabi oscilations; general solution of angular momentum, composition of angular momentum, complete symmetry of hydrogen

* 2. Approximate methods - variational and perturbation method

Anharmonic oscilator; coupled oscilators; hydrogen in static electric and magnetic fields

* 3. Structure of atomic spectral lines

Gross, fine and hyperfine structure of atomic levels; inclusion of relativistic and magnetic effects - Dirac and Pauli equations

* 4. Many-body problem

Antisymmetry of wave function and exchange interaction; formalism of second quantization; Hartree-Fock approximation; shell model of atoms; Born-Oppenheimer approximation; hydrogen molecule

* 5. Basics of quantum electrodynamics (non-relativistic theory)

Hamiltonian of charged particles and electromagnetic (EM) field; quantization of EM field; Time-dependent perturbation method and Fermi Golden Rule, spontaneous emission, selection rules

* 6. Basics of scattering theory

Formulation of the problem - Green function; Lippmann-Schwinger equation Elastic scattering - method of partial waves; phase analysis; low-energy limit: scattering length and effective range Inelastic scattering in Born approximation - photoeffect; atom excitation by electron, photon-atom scattering

Annotation

This course is a continuation of the course NOFY027 Introduction to Quantum Mechanics. Formal scheme of quantum theory.

Angular momentum. Approximate methods - variational and perturbation method.

Structure of atomic spectral lines. Many-body problem.

Basics of quantum electrodynamics (non- relativistic theory). Basics of scattering theory.