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arXiv · 2104.08749

Exact Matrix Elements of the Field Operator in the Thermodynamic Limit of the Lieb-Liniger Model

Eldad Bettelheim
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Abstract

We study a matrix element of the field operator in the Lieb-Liniger model using the Bethe ansatz technique coupled with a functional approach to compute Slavnov determinants. We obtain the matrix element exactly in the thermodynamic limit for any coupling constant $c$, and compare our results to known semiclassics at the limit $c\to0.$

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BibTeXRIS

Eldad Bettelheim. 2021-04-18. Exact Matrix Elements of the Field Operator in the Thermodynamic Limit of the Lieb-Liniger Model. https://doi.org/10.1088/1751-8121%2Fac1d8c

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