Overview
- Nominated as an outstanding Ph.D. thesis by the Durham University, Durham, UK
- Offers an ideal introduction to the field of ultracold molecules and the use of photoassociation techniques
- Details experimental techniques for the preparation of ultracold mixtures containing alkali and closed shell atoms
Part of the book series: Springer Theses (Springer Theses)
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Table of contents (9 chapters)
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Front Matter
Keywords
About this book
This thesis lays the groundwork for producing a new class of ultracold molecule by associating an alkali-metal atom and a closed-shell alkaline-earth-like atom, specifically Cs and Yb. Such molecules exhibit both a magnetic dipole moment and an electric dipole moment in their ground state. This extra degree of freedom opens up new avenues of research including the study of exotic states of matter, the shielding of molecular collisions and the simulation of lattice spin models.
In detail, the thesis reports the first and only ultracold mixture of Cs and Yb in the world, giving details of the methods used to cool such contrasting atomic species together. Using sensitive two-colour photoassociation measurements to measure the binding energies of the near-threshold CsYb molecular levels in the electronic ground state has allowed the previously unknown scattering lengths to be accurately determined for all the Cs–Yb isotopic combinations. As part of this work, theone-photon photoassociation of ultracold Cs*Yb is also studied, yielding useful information on the excited-state potential. Knowledge of the scattering lengths enables a strategy to be devised to cool both species to quantum degeneracy and, crucially, determines the positions of interspecies Feshbach resonances required for efficient association of ground-state CsYb molecules. With these results, the prospect of bringing a new molecule into the ultracold regime has become considerably closer.
Authors and Affiliations
Bibliographic Information
Book Title: Photoassociation of Ultracold CsYb Molecules and Determination of Interspecies Scattering Lengths
Authors: Alexander Guttridge
Series Title: Springer Theses
DOI: https://doi.org/10.1007/978-3-030-21201-8
Publisher: Springer Cham
eBook Packages: Physics and Astronomy, Physics and Astronomy (R0)
Copyright Information: Springer Nature Switzerland AG 2019
Hardcover ISBN: 978-3-030-21200-1Published: 12 June 2019
Softcover ISBN: 978-3-030-21203-2Published: 14 August 2020
eBook ISBN: 978-3-030-21201-8Published: 01 June 2019
Series ISSN: 2190-5053
Series E-ISSN: 2190-5061
Edition Number: 1
Number of Pages: XV, 196
Number of Illustrations: 4 b/w illustrations, 71 illustrations in colour
Topics: Quantum Gases and Condensates, Quantum Physics, Spectroscopy and Microscopy