Two-site anyonic Josephson junction

A. Brollo, A. Veronese, and L. Salasnich
Phys. Rev. A 106, 023308 – Published 10 August 2022

Abstract

Anyons are particles with intermediate quantum statistics whose wave function acquires a phase eiθ 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 θ. Our theoretical predictions are a solid benchmark for near-future experimental quantum simulations of anyonic matter in double-well potentials.

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  • Received 4 June 2022
  • Accepted 1 August 2022

DOI:https://doi.org/10.1103/PhysRevA.106.023308

©2022 American Physical Society

Physics Subject Headings (PhySH)

General Physics

Authors & Affiliations

A. Brollo and A. Veronese

  • Dipartimento di Fisica e Astronomia “Galileo Galilei,” Università di Padova, via Marzolo 8, 35131 Padova, Italy

L. Salasnich

  • Dipartimento di Fisica e Astronomia “Galileo Galilei,” Università di Padova, via Marzolo 8, 35131 Padova, Italy; Padua Quantum Technologies Research Center, Università di Padova, via Gradenigo 6/b, 35131 Padova, Italy; INFN - Sezione di Padova, via Marzolo 8, 35131 Padova, Italy; and CNR-INO, via Carrara 1, 50019 Sesto Fiorentino, Italy

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Issue

Vol. 106, Iss. 2 — August 2022

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