Please use this identifier to cite or link to this item: https://doi.org/10.1103/PhysRevA.84.023604
Title: Synthetic magnetic fluxes on the honeycomb lattice
Authors: Górecka, A.
Grémaud, B. 
Miniatura, C. 
Issue Date: 4-Aug-2011
Citation: Górecka, A., Grémaud, B., Miniatura, C. (2011-08-04). Synthetic magnetic fluxes on the honeycomb lattice. Physical Review A - Atomic, Molecular, and Optical Physics 84 (2) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevA.84.023604
Abstract: We devise experimental schemes that are able to mimic uniform and staggered magnetic fluxes acting on ultracold two-electron atoms, such as ytterbium atoms, propagating in a honeycomb lattice. The atoms are first trapped into two independent state-selective triangular lattices and then further exposed to a suitable configuration of resonant Raman laser beams. These beams induce hops between the two triangular lattices and make atoms move in a honeycomb lattice. Atoms traveling around each unit cell of this honeycomb lattice pick up a nonzero phase. In the uniform case, the artificial magnetic flux sustained by each cell can reach about two flux quanta, thereby realizing a cold-atom analog of the Harper model with its notorious Hofstadter's butterfly structure. Different condensed-matter phenomena such as the relativistic integer and fractional quantum Hall effects, as observed in graphene samples, could be targeted with this scheme. © 2011 American Physical Society.
Source Title: Physical Review A - Atomic, Molecular, and Optical Physics
URI: http://scholarbank.nus.edu.sg/handle/10635/112527
ISSN: 10502947
DOI: 10.1103/PhysRevA.84.023604
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