Quantum phases of hard-core dipolar bosons in coupled one-dimensional optical lattices
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PhysRevA.90.043604.pdf
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868.42 KB
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Author(s)
Capogrosso-Sansone, B.
Kuklov, A.
Safavi-Naini, Arghavan
Date Issued
October 2014
Journal
Physical Review A
Publisher
American Physical Society
Citation
Safavi-Naini, A., B. Capogrosso-Sansone, and A. Kuklov. "Quantum phases of hard-core dipolar bosons in coupled one-dimensional optical lattices." Phys. Rev. A 90, 043604 (October 2014). © 2014 American Physical Society
Version
Final published version
Abstract
Hard-core dipolar bosons trapped in a parallel stack of N ≥ 2 one-dimensional optical lattices (tubes) can develop several phases made of composites of particles from different tubes: superfluids, supercounterfluids, and insulators as well as mixtures of those. Bosonization analysis shows that these phases are thresholdless with respect to the dipolar interaction, with the key “control knob” being filling factors in each tube, provided the intertube tunneling is suppressed. The effective ab initio quantum Monte Carlo algorithm capturing these phases is introduced and some results are presented.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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DOI of Published Version
https://doi.org/10.1103/PhysRevA.90.043604
