Solitons in Trapped Bose-Einstein condensates in one-dimensional optical lattices
arXiv:cond-mat/0412037 · doi:10.1103/PhysRevA.71.063609
Abstract
We use Quantum Monte Carlo simulations to show the presence and study the properties of solitons in the one dimensional soft-core bosonic Hubbard model with near neighbor interaction in traps. We show that when the half-filled Charge Density Wave (CDW) phase is doped, solitons are produced and quasi long range order established. We discuss the implications of these results for the presence and robustness of this solitonic phase in Bose-Einstein Condensates (BEC) on one dimensional optical lattices in traps and study the associated excitation spectrum. The density profile exhibits the coexistence of Mott insulator, CDW, and superfluid regions.
5 pages, Latex with figures
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Cited by in corpus (7)
- Supersolid phases in the one dimensional extended soft core Bosonic Hubbard model
- Supersolids in one dimensional Bose Fermi mixtures
- Mott insulators and correlated superfluids in ultracold Bose-Fermi mixtures
- One-dimensional extended Bose-Hubbard model with a confining potential: a DMRG analysis
- Nonlinear Phenomenology from Quantum Mechanics: Soliton in a Lattice
- Gutzwiller study of extended Hubbard models with fixed boson densities
- Propagation of phase-imprinted solitons from superfluid core to Mott-insulator shell and superfluid shell