One Two

Prof. Dr. Michael Köhl

Raum 5.020
Wegelerstrasse 8
53115 Bonn 
Tel.: +49-228-73 4899
Fax: +49-228-73 4038

You are here: Home Teaching Lectures WS 2013/14

WS 2013/14

Physics 620:

Advanced Atomic, Molecular and Optical Physics

Lecture times:
Tue 12-13, Thu 10-12

IAP Lecture Hall


1 Introduction

2 Driven two-level systems

Magnetic resonance 
Quantum mechanical two-level system, density matrix 
Atomic clocks

3 Atoms

Atomic structure, wavefunctions, orbitals
Fine structure, relativistic corrections, hyperfine structure
Fine structure and hyperfine structure in external fields
Alkali atoms

4 Light-matter interaction

Electric/magnetic dipole transitions, selection rules
Spontaneous emission
Optical cross sections, saturation
Light forces, light shift, laser cooling, magneto-optical trap
Quantisation of the radiation field, QED, dressed atoms, resonance fluorescence, Jaynes-Cummings Hamiltonian

5 Quantum information processing

Paul traps, laser cooling in confined geometry, sideband transitions
QIP basics: single-qubit and two-qubit operations, entanglement
Quantum algorithms
Bell inequality

6 Molecular physics

Interaction between atoms, scattering theory
Bound states, symmetries
Simple molecules: H2+, H2
Feshbach resonances

7 Bose-Einstein condensation

The quest for Nanokelvin temperature, Magnetic trapping, evaporative cooling, scaling laws, losses, thermometry
Bose-Einstein condensation in a harmonic trap, critical temperature, condensate wave function, observation
Gross-Pitaevskii equation, ground state, Thomas-Fermi approximation
Excitations, Bogoliubov spectrum, quantum depletion
Phase transition, critical exponents

8 Quantum many-body systems

How to describe a quantum many-body system, indistuinguishable particles
Optical lattices, Hubbard model
Bose-Hubbard model, superfluid-Mott insulator transition
Degenerate Fermi gases, BCS
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