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Morgan & Claypool Publishers eBooks

Spectroscopy of the KRb molecule

Jin‐Tae Kim, Bongsoo Kim, William C. Stwalley

Published Dec 1, 2014• 1 citation
Publisher

Abstract

Mathjax On | Off Abstract In this section we summarize experimental spectroscopic investigations of KRb. Since structureless bands with a peak at 495.9 nm, in the case of the KRb molecule, were first observed in the vapor state of the alkali metals, there have been many spectroscopic studies using KRb molecules formed in a heat-pipe oven, in a MB machine, in PA of ultracold atoms, in UMs, and in our combination method between MB and UM.

DOI
10.1088/978-1-6270-5678-6ch3

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Synopsis We describe the electronic structure and main features of ultralong range Rydberg molecules formed by a Rydberg atom, either Rb or K, and the heteronuclear diatomic molecule KRb. By analyzing their electronic structure, we propose a protocol to create these molecules experimentally from a mixture of ultracold atoms and ultracold molecules.

Journal of Physics Conference Series•Jan 1, 2020•0 citations
Mathjax On | Off Abstract In this section we summarize experimental spectroscopic investigations of KRb. Since structureless bands with a peak at 495.9 nm, in the case of the KRb molecule, were first observed in the vapor state of the alkali metals, there have been many spectroscopic studies using KRb molecules formed in a heat-pipe oven, in a MB machine, in PA of ultracold atoms, in UMs, and in our combination method between MB and UM.
The high-resolution rovibronic spectroscopies of cold and ultracold molecules (e.g. supersonic molecular beam excitation spectra (MB), photoassociation spectra of ultracold atoms (PA), resonance-enhanced multiphoton ionization spectra (REMPI), stimulated Raman transfer (SRT) spectra) are of major current interest. This manuscript summarizes the significant level of understanding of these various spectroscopies, enabled by using simple graphical and semiclassical ideas and shortcuts. Physical realizations of these spectroscopies will be illustrated using the alkali metal diatomic molecules, both homonuclear (e.g. Rb2) and heteronuclear (e.g. KRb).