Dynamics of excitations in a one-dimensional Bose liquid
Statistical Mechanics
2011-11-09 v2 Mesoscale and Nanoscale Physics
Abstract
We show that the dynamic structure factor of a one-dimensional Bose liquid has a power-law singularity defining the main mode of collective excitations. Using the Lieb-Liniger model, we evaluate the corresponding exponent as a function of the wave vector and the interaction strength.
Keywords
Cite
@article{arxiv.0705.2015,
title = {Dynamics of excitations in a one-dimensional Bose liquid},
author = {M. Khodas and M. Pustilnik and A. Kamenev and L. I. Glazman},
journal= {arXiv preprint arXiv:0705.2015},
year = {2011}
}