Title: Exact Matrix Elements of the Field Operator in the Thermodynamic Limit of the Lieb-Liniger Model
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 elem...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 $c\to0.$Read More
Publication Year: 2021
Publication Date: 2021-04-18
Language: en
Type: preprint
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