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

Physics and Astronomy (Twin Cities)

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62 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 (US)
Article number	110405
Journal	Physical review letters
Volume	99
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevLett.99.110405
State	Published - Sep 14 2007

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Dynamics of excitations in a one-dimensional bose liquid

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