Mathey, L.
, Danshita, I.
and Clark, C.
(2009),
Creating a supersolid in one-dimensional Bose mixtures, Physical Review Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=842484
(Accessed November 23, 2024)
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Creating a supersolid in one-dimensional Bose mixtures
Published
Author(s)
, Ippei Danshita,
Abstract
We identify a one-dimensional supersolid phase in a binary mixture of near-hardcore bosons with weak, local interspecies repulsion. We find realistic conditions under which such a phase, defined here as the coexistence of quasi-superfluidity and quasi-charge density wave order, can be produced and verified in finite ultra-cold atom systems in a harmonic trap. Our analysis is based on Luttinger liquid theory supported with numerical calculations using the time-evolving block decimation method. Clear experimental signatures of these two orders can be found, respectively, in time-of-flight interference patterns, and the structure factor S(k) derived from density correlations.Citation
Physical Review Letters
Volume
79
Issue
011602R
Pub Type
Journals
Download Paper
Keywords
supersolid, ultra-cold, atoms, optical lattice, Luttinger liquid, TEBD, DMRG, superfluid, charge density wave, structure factor, time-of-flight, interference
Citation
Issues
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Created January 15, 2009, Updated February 17, 2017