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Synthetic Hall ladder with tunable magnetic flux

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Title
Synthetic Hall ladder with tunable magnetic flux
Author(s)
Jeong Ho Han; Dalmin Bae; Y. Shin
Publication Date
2022-04
Journal
Physical Review A, v.105, no.4
Publisher
American Physical Society
Abstract
© 2022 American Physical Society. We describe a synthetic three-leg Hall ladder system with a tunable magnetic flux for neutral Yb173 atoms in a one-dimensional optical lattice. The ladder legs are formed by three hyperfine ground spin states of the atoms, and the complex interleg links are generated through Raman couplings between the spin states using multiple laser beams. The effective magnetic flux through a ladder plaquette φ is controlled by the angles of the Raman laser beams with the lattice axis. We investigate the quench dynamics of the Hall ladder system for φ≈π3,π2, and 2π3 after a sudden application of the Raman coupling in various interleg link configurations. The semiclassical trajectory of the atoms in the plane of the spin composition and lattice position exhibits the characteristic motion of the effective magnetic field. In a tube configuration with the three legs cyclically linked, the quench evolution was observed to be substantially damped, which is attributed to the random flux threading the Hall tube.
URI
https://pr.ibs.re.kr/handle/8788114/11424
DOI
10.1103/PhysRevA.105.043306
ISSN
2469-9926
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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