Two-boson composites
Malte C. Tichy, Peter Alexander Bouvrie, Klaus M{\o}lmer
TL;DR
This paper investigates how the substructure of two-boson composites affects their bosonic behavior, providing bounds for this deviation and predicting a sharp transition in condensate properties.
Contribution
It introduces efficient bounds for the normalization ratio indicating bosonic behavior and predicts a phase transition in two-boson composite condensates.
Findings
Derived saturable bounds for the normalization ratio
Linked bosonic deviation to entanglement of constituents
Predicted an abrupt transition in condensate behavior
Abstract
Composite bosons made of two bosonic constituents exhibit deviations from ideal bosonic behavior due to their substructure. This deviation is reflected by the normalization ratio of the quantum state of N composites. We find a set of saturable, efficiently evaluable bounds for this indicator, which quantifies the bosonic behavior of composites via the entanglement of their constituents. We predict an abrupt transition between ordinary and exaggerated bosonic behavior in a condensate of two-boson composites.
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