Efimov physics in bosonic atom-trimer scattering

TL;DR

This paper investigates how Efimov physics influences bosonic atom-trimer scattering at unitarity, establishing universal relations, and calculating resonance positions, widths, and relaxation rates.

Contribution

It provides new insights into Efimov effects in four-particle scattering, including universal relations and resonance characteristics in bosonic systems.

Findings

Determined positions and widths of tetramer resonances.

Established universal relations in atom-trimer scattering.

Calculated trimer relaxation rate constant.

Abstract

Bosonic atom-trimer scattering is studied in the unitary limit using momentum-space equations for four-particle transition operators. The impact of the Efimov effect on the atom-trimer scattering observables is explored and a number of universal relations is established. Positions and widths of tetramer resonances are determined. Trimer relaxation rate constant is calculated.