Production and spectroscopy of ultracold YbRb_1hn* molecules [Elektronische Ressource] / vorgelegt von Nils Nemitz

Production and spectroscopy ofultracold YbRb* moleculesInaugural-DissertationzurErlangung des Doktorgrades derMathematisch-Naturwissenschaftlichen Fakult¨ atder Heinrich-Heine-Universit¨ at Dusseldorf¨vorgelegt vonNils Nemitzaus WolfsburgNovember 2008Aus dem Institut fur¨ Experimentalphysikder Heinrich-Heine-Universit¨ at Dusseldorf¨Gedruckt mit der Genehmigung derMathematisch-Naturwissenschaftlichen Fakult¨ at derHeinrich-Heine-Universit¨ at Dusseldorf¨Referent: Prof. Dr. Axel G¨ orlitzKoreferent: Dr. Bernhard RothTag der mundlic¨ hen Prufung:¨ 18.12.2008ContentsTable of Contents 31 Introduction 71.1 History ...................................... 71.2 Ultracold Molecules . . . ............................ 81.3 This Thesis .................................... 92 Atomic Species 112.1 Rubidium ..................................... 112.2 Ytterbium 122.3 Energy Levels and Wavenumbers ........................ 133 Review of Molecular Physics 173.1 Wavefunctions .................................. 173.1.1 Electronically Mediated Potentials ................... 203.1.2 Molecular Electronic States ....................... 213.1.3 Hund’s Cases ............................... 213.1.4 Nuclear Spin 243.1.5 Transitions between Cases and Effects on Spectra........... 243.1.6 Avoided Crossings and Diabatic Potential Curves 263.2 Vibration ..................................... 273.3 Rotation . . . ................................... 293.3.