A systematic 1/c-expansion of form factor sums for dynamical correlations in the Lieb-Liniger model

We introduce a framework for calculating dynamical correlations in the Lieb-Liniger model in arbitrary energy eigenstates and for all space and time, that combines a Lehmann representation with a 1/c expansion. The nth term of the expansion is of order 1/cn and takes into account all [n/2] + 1 parti...

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Detalhes bibliográficos
Principais autores: Essler, FHL, Granet, E
Formato: Journal article
Idioma:English
Publicado em: SciPost 2020