Berry-Phase Effects on Transport of Low-Energy Squeezed Bosons.
basic_science · Level V
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- Record sourced from PubMed, PMID 41725334.
- Also identified by DOI 10.1021/acs.nanolett.5c05709.
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Abstract
Berry-phase effects on the anomalous transport of bosonic particles are more challenging for experimental detection than their Fermion counterparts since the Bose-Einstein statistics weaken such anomalous transport. We propose a method to boost these effects in bosonic systems using bosonic squeezing. This method allows a large Berry curvature to arise near the <i>bottom</i> of the lowest-lying bosonic energy bands so that the Bose-Einstein statistics strengthens (not weakens) the Berry phase effects. Magnonic systems for Berry-phase-induced transport detection are discussed. Our theoretical work is expected to motivate the experimental detection of Berry-phase effects in bosonic systems.