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Kink scaling functions in 2D non--integrable quantum field theories | | G. Mussardo
; V. Riva
; G. Sotkov
; G. Delfino
; | | Date: |
12 Oct 2005 | | Abstract: | We determine the semiclassical energy levels for the phi^4 field theory in the broken symmetry phase on a 2D cylindrical geometry with antiperiodic boundary conditions by quantizing the appropriate finite--volume kink solutions. The analytic form of the kink scaling functions for arbitrary size of the system allows us to describe the flow between the twisted sector of c=1 CFT in the UV region and the massive particles in the IR limit. Kink-creating operators are shown to correspond in the UV limit to disorder fields of the c=1 CFT. The problem of the finite--volume spectrum for generic 2D Landau--Ginzburg models is also discussed. | | Source: | arXiv, hep-th/0510102 | | Services: | Forum | Review | PDF | Favorites | |
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