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Paper detail

Dynamics of excitations in a one-dimensional Bose liquid

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.

preprint2007arXivOpen access
M. KhodasM. PustilnikA. KamenevL. I. Glazman
cond-mat.stat-mechcond-mat.mes-hall
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M. KhodasM. PustilnikA. KamenevL. I. Glazman

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