One-particle dynamical correlations in the one-dimensional Bose gas

  title={One-particle dynamical correlations in the one-dimensional Bose gas},
  author={Jean-S{\'e}bastien Caux and Pasquale Calabrese and Nikita A. Slavnov},
The momentumand frequency-dependent one-body correlation function of the one-dimensional interacting Bose gas (Lieb-Liniger model) in the repulsive regime is studied using the Algebraic Bethe Ansatz and numerics. We first provide a determinant representation for the field form factor which is welladapted to numerical evaluation. The correlation function is then reconstructed to high accuracy for systems with finite but large numbers of particles, for a wide range of values of the interaction… CONTINUE READING


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