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1 M. Khodas et. al. , Phys. Rev. Lett. 99 , 110405 (2007)

. We found that the dynamic structure factor of 1D bosons with contact repulsion (Lieb-Liniger model) exhibits a power-law divergence defining the main mode of collective excitations - the Bogolubov’s quasiparticle mode. 1. .

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1 M. Khodas et. al. , Phys. Rev. Lett. 99 , 110405 (2007)

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  1. We found that the dynamic structure factor of 1D bosons with contact repulsion (Lieb-Liniger model) exhibits a power-law divergence defining the main mode of collective excitations - the Bogolubov’s quasiparticle mode.1  We developed a theory of a quantum explosion in 1D (longitudinal expansion of 1D bosons suddenly released from a trap). 2 Dynamic correlations in a one-dimensional Bose liquidMichael Pustilnik, Georgia Institute of Technology, DMR 0604107 the goal: to understand how integrability manifests itself in the dynamical properties of low-dimensional interacting systems results: 1 M. Khodas et. al., Phys. Rev. Lett. 99, 110405 (2007) 2D.M. Gangardt and M. Pustilnik, Phys. Rev. A 77, 041604 (R) (2008)

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