1D Bose Gases in an Optical Lattice

Abstract

We report on the study of the momentum distribution of a one-dimensional Bose gas in an optical lattice. From the momentum distribution we extract the condensed fraction of the gas and thereby measure the depletion of the condensate and compare it with a theorical estimate. We have measured the coherence length of the gas for systems with average occupation $\bar{n}>1$ and $\bar{n}<1$ per lattice site.

arXiv comment4 pages, 3 figures

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Cited by in corpus (26)

• Relaxation in a Completely Integrable Many-Body Quantum System: An Ab Initio Study of the Dynamics of the Highly Excited States of Lattice Hard-Core Bosons
• Quantum depletion of a homogeneous Bose-Einstein condensate
• One-particle dynamical correlations in the one-dimensional Bose gas
• Quantum quench dynamics of the sine-Gordon model in some solvable limits
• Observation of Strong Quantum Depletion in a Gaseous Bose-Einstein Condensate
• Bloch oscillations in one-dimensional spinor gas
• Momentum-resolved observation of thermal and quantum depletion in an interacting Bose gas
• Interacting Bose gases in quasi-one dimensional optical lattices
• Low-temperature crossover in the momentum distribution of cold atomic gases in one dimension
• Efficient evaluation of partition functions of frustrated and inhomogeneous spin systems
• Competition of superfluidity and density waves in one-dimensional Bose-Fermi mixtures
• Minimizing nonadiabaticities in optical-lattice loading
• Off-diagonal correlations of lattice impenetrable bosons in one dimension
• Analytic solutions of the 1D finite coupling delta function Bose gas
• Delocalized Entanglement of Atoms in optical Lattices
• Spectral functions of two-band spinless fermion and single-band spin-1/2 fermion models
• Many-body effects in the excitation spectrum of weakly-interacting Bose-Einstein condensates in one-dimensional optical lattices
• Phase transitions in the boson-fermion resonance model in one dimension
• Controlling integrability in a quasi-1D atom-dimer mixture
• Parametric Excitation of a 1D Gas in Integrable and Nonintegrable Cases
• Haldane Insulator in the 1D Nearest-Neighbor Extended Bose-Hubbard Model with Cavity-Mediated Long-Range Interactions
• Hall response in interacting bosonic and fermionic ladders
• Response functions in multicomponent Luttinger liquids
• Doorway states and the Bose-Hubbard model
• Momentum Evolution Numerics of an Impurity in a Quantum Quench
• Quench dynamics of neutral atoms in out-equilibrium one dimensional optical lattices