Anomalous lifetimes of ultracold complexes decaying into a single channel

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Abstract

We investigate the lifetimes of complexes formed in ultracold molecule collisions. Employing both transition-state theory and a non-Hermitian microscopic model, we examine processes that can extend the lifetime of complexes beyond that predicted by Rice-Ramsperger-Kassel-Marcus (RRKM) theory. We focus on complexes that possess only one open channel, and find that the extreme distribution of widths for this case favors low decay rates.

Year of Publication
2023
Date Published
2023-02
Journal Title
Physical Review A
Volume
107
Start Page or Article ID (correct)
023304
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