Dynamics of excitations in a one-dimensional bose liquid

M. Khodas, M. Pustilnik, A. Kamenev, L. I. Glazman

Research output: Contribution to journalArticlepeer-review

60 Scopus citations

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.

Original languageEnglish (US)
Article number110405
JournalPhysical review letters
Volume99
Issue number11
DOIs
StatePublished - Sep 14 2007

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