Collective interference of composite two-fermion bosons
Malte C. Tichy, Peter Alexander Bouvrie, Klaus M{\o}lmer
TL;DR
This paper investigates how the composite nature of two-fermion bosons affects their interference patterns, linking deviations from ideal bosonic behavior to the entanglement of their constituent fermions.
Contribution
It introduces a theoretical framework that relates interference deviations to fermion entanglement within composite bosons, providing detailed counting statistics.
Findings
Deviation from ideal bosonic interference is quantitatively linked to fermion entanglement.
The superposition of perfect bosons and fermions explains interference patterns.
Hong-Ou-Mandel-like counting statistics are derived for composites.
Abstract
The composite character of two-fermion bosons manifests itself in the interference of many composites as a deviation from the ideal bosonic behavior. A state of many composite bosons can be represented as a superposition of different numbers of perfect bosons and fermions, which allows us to provide the full Hong-Ou-Mandel-like counting statistics of interfering composites. Our theory quantitatively relates the deviation from the ideal bosonic interference pattern to the entanglement of the fermions within a single composite boson.
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