Universal bosonic tetramers of dimer-atom-atom structure
A. Deltuva
TL;DR
This paper investigates unstable four-boson states with dimer-atom-atom structure using momentum-space equations, revealing their universal properties and effects on collisions, and assesses the model's reliability.
Contribution
It introduces a detailed analysis of bosonic tetramers with dimer-atom-atom structure and evaluates the universal properties and collision impacts within this framework.
Findings
Universal properties of the lowest tetramer are determined for a given Efimov trimer.
The impact of tetramers on atom-trimer and dimer-dimer collisions is analyzed.
The reliability of the dimer-atom-atom model is assessed.
Abstract
Unstable four-boson states having an approximate dimer-atom-atom structure are studied using momentum-space integral equations for the four-particle transition operators. For a given Efimov trimer the universal properties of the lowest associated tetramer are determined. The impact of this tetramer on the atom-trimer and dimer-dimer collisions is analyzed. The reliability of the three-body dimer-atom-atom model is studied.
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