Forging Quantum Teams
Optics & Photonics Focus
Volume 5 Story 6 - 29/6/2009

Bosons in different configurations

Depending on scattering length and energy, bosons will stay unbound, form pairs, triplets or quadruplets. Once a single configuration of triplets (green line) or quadruplets (red line) is found, an infinite number of bound states can be deduced as they all vary by a constant factor. Illustration: Grimm's group (University of Innsbruck).
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Bosons in different configurations. Depending on scattering length and energy, bosons will stay unbound, form pairs, triplets or quadruplets. Once a single configuration of triplets (green line) or quadruplets (red line) is found, an infinite number of bound states can be deduced as they all vary by a constant factor.