Two-site anyonic Josephson junction

Year: 2022

Authors: Brollo A., Veronese A., Salasnich L.

Autors Affiliation: Univ Padua, Dipartimento Fis & Astron Galileo Galilei, Via Marzolo 8, I-35131 Padua, Italy; Univ Padua, Padua Quantum Technol Res Ctr, Via Gradenigo 6-B, I-35131 Padua, Italy; Ist Nazl Fis Nucl, Sez Padova, Via Marzolo 8, I-35131 Padua, Italy; CNR, INO, Via Carrara 1, I-50019 Sesto Fiorentino, Italy.

Abstract: Anyons are particles with intermediate quantum statistics whose wave function acquires a phase ei. by particle exchange. Inspired by proposals of simulating anyons using ultracold atoms trapped in optical lattices, we study a two-site anyonic Josephson junction, i.e., anyons confined in a one-dimensional double-well potential. We show, analytically and numerically, that many properties of anyonic Josephson junctions, such as Josephson frequency, imbalanced solutions, macroscopic quantum self-trapping, coherence visibility, and condensate fraction, crucially depend on the anyonic angle.. Our theoretical predictions are a solid benchmark for near-future experimental quantum simulations of anyonic matter in double-well potentials.

Journal/Review: PHYSICAL REVIEW A

Volume: 106 (2)      Pages from:   to:

KeyWords: Quantum; Statistics
DOI: 10.1103/PhysRevA.106.023308

Citations: 1
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