AI Article Synopsis
- The study focuses on inelastic collisions among Feshbach molecules formed from bosonic cesium atoms, particularly in a quantum halo setting.
- Researchers measure the rate at which these molecular states decay to lower ones, analyzing how this decay varies with both the scattering length and temperature.
- Notable findings include a significant loss minimum influenced by the scattering length and an additional decrease in loss rates at lower temperatures, shedding light on the behavior of a few-body quantum system comprising four identical bosons.
Article Abstract
We study inelastic collisions in a pure, trapped sample of Feshbach molecules made of bosonic cesium atoms in the quantum halo regime. We measure the relaxation rate coefficient for decay to lower-lying molecular states and study the dependence on scattering length and temperature. We identify a pronounced loss minimum with varying scattering length along with a further suppression of loss with decreasing temperature. Our observations provide insight into the physics of a few-body quantum system that consists of four identical bosons at large values of the two-body scattering length.
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| http://dx.doi.org/10.1103/PhysRevLett.101.023201 | DOI Listing |
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