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Line shapes of optical Feshbach resonances near the intercombination transition of bosonic Ytterbium

TitleLine shapes of optical Feshbach resonances near the intercombination transition of bosonic Ytterbium
Publication TypeJournal Article
Year of Publication2009
AuthorsM. Borkowski, R. Ciurylo, P. S. Julienne, S. Tojo, K. Enomoto, and Y. Takahashi
Date Publishedmay
Keywords2009
Abstract

The properties of bosonic Ytterbium photoassociation spectra near the intercombination transition \$\^{}\{1\}S\_\{0\}\$–\$\^{}\{3\}P\_\{1\}\$ are studied theoretically at ultra low temperatures. We demonstrate how the shapes and intensities of rotational components of optical Feshbach resonances are affected by mass tuning of the scattering properties of the two colliding ground state atoms. Particular attention is given to the relationship between the magnitude of the scattering length and the occurrence of shape resonances in higher partial waves of the van der Waals system. We develop a mass scaled model of the excited state potential that represents the experimental data for different isotopes. The shape of the rotational photoassociation spectrum for various bosonic Yb isotopes can be qualitatively different.

URLhttp://arxiv.org/abs/0905.0958

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