Bunching and anti-bunching of localised particles in disordered media
Frank Schlawin, Nicolas Cherroret, Andreas Buchleitner
TL;DR
This paper investigates how quantum statistics influence particle-number correlations in disordered media, revealing significant effects of bosonic bunching and fermionic anti-bunching during Anderson localisation.
Contribution
It demonstrates the impact of quantum statistics on transmission correlations in disordered media, highlighting the role of particle bunching and anti-bunching effects.
Findings
Quantum statistics significantly affect transmission correlations.
Bosonic particles exhibit bunching in localized regimes.
Fermionic particles show anti-bunching effects.
Abstract
We consider pairs of non-interacting quantum particles transmitted through a disordered medium, with emphasis on the role of their quantum statistics. It is shown that particle-number correlations measured in transmission are strikingly sensitive to the quantum nature of the particles when they undergo Anderson localisation, due to bosonic bunching and fermionic anti-bunching in the scattering channels of the medium. The case of distinguishable particles is also discussed.
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