Dynamics of excitations in a one-dimensional bose liquid

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

doi:10.1103/PhysRevLett.99.110405

Dynamics of excitations in a one-dimensional bose liquid

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

64 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 language	English
Article number	110405
Journal	Physical Review Letters
Volume	99
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevLett.99.110405
State	Published - 14 Sep 2007
Externally published	Yes

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Dynamics of excitations in a one-dimensional bose liquid

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