Momentum-Space Correlations of a One-Dimensional Bose Gas
Momentum-Space Correlations of a One-Dimensional Bose Gas
Analyzing the noise in the momentum profiles of single realizations of one-dimensional Bose gases, we present the experimental measurement of the full momentum-space density correlations ⟨δn_{p}δn_{p^{'}}⟩, which are related to the two-body momentum correlation function. Our data span the weakly interacting region of the phase diagram, going from the ideal …