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Some exact results for the two-point function of an integrable quantum field theory
[report]
1981
unpublished
Preserved Fulltext
The two point correlation function for the quantum nonlinear Schriidinger (6function gas) model is studied. An infinite series representation for this function is derived using the quantum inverse scattering formalism. For the case of zero temperature, the infinite coupling (c + CO) result of Jimbo, Miwa, M&i and Sato is extended to give an exact expression for the order l/c correction to the two point function in terms of a Painleve' transcendent of the fifth kind.
doi:10.2172/5283749
fatcat:4ognjon3fbfazmh5clqazwjq74