2008/06/30 by Ludwig Mathey, L. Mathey, Ippei Danshita +1 · 50 citations
Mathematics · Physics and Astronomy · #Atomic and Subatomic Physics Research #Binary number #Boson #Charge density wave #Cold Atom Physics and Bose-Einstein Condensates #Condensed matter physics #Decimation #Luttinger liquid #Mathematics #Phase (matter) #Phase diagram #Physics #Quantum #Quantum mechanics #Quantum, superfluid, helium dynamics #Statistical physics #Superconductivity #Supersolid #Trap (plumbing) #Trapping #Ultracold atom #cond-mat.other
paper · pdf · doi:10.1103/physreva.79.011602
published in Physical Review A 79(1) (American Physical Society) · 4 pages, 5 figures, changed Fig. 4, and minor edits
arxiv created 2008/08/17 · openalex publication_date 2009/01/12 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
We identify a one-dimensional supersolid phase in a binary mixture of near-hard-core bosons with weak, local interspecies repulsion. We find realistic conditions under which such a phase, defined here as the coexistence of quasisuperfluidity and quasi-charge-density-wave order, can be produced and observed in finite ultracold atom systems in a harmonic trap. Our analysis is based on Luttinger liquid theory supported by 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.