Form factors in the massless coset models su(2)k+1 ⊗ su(2)k/su(2)2k+1

Paolo Grinza; Bénédicte Ponsot

doi:10.1016/j.nuclphysb.2005.02.004

Form factors in the massless coset models su(2)_k+1 ⊗ su(2)_k/su(2)_2k+1

Paolo Grinza^*, Bénédicte Ponsot

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

Massless flows between the coset model su(2)_k+1 ⊗ su(2)_k/su(2)_2k+1 and the minimal model M_k+2 are studied from the viewpoint of form factors. These flows include, in particular, the flow between the tricritical Ising model and the Ising model. Form factors of the trace operator with an arbitrary number of particles are constructed, and numerical checks on the central charge are performed with four-particle contribution. Large discrepancies with respect to the exact results are observed in most cases.

Original language	English
Pages (from-to)	357-375
Number of pages	19
Journal	Nuclear Physics B
Volume	714
Issue number	3
DOIs	https://doi.org/10.1016/j.nuclphysb.2005.02.004
Publication status	Published - 16 May 2005

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10.1016/j.nuclphysb.2005.02.004

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abstract = "Massless flows between the coset model su(2)k+1 ⊗ su(2)k/su(2)2k+1 and the minimal model Mk+2 are studied from the viewpoint of form factors. These flows include, in particular, the flow between the tricritical Ising model and the Ising model. Form factors of the trace operator with an arbitrary number of particles are constructed, and numerical checks on the central charge are performed with four-particle contribution. Large discrepancies with respect to the exact results are observed in most cases.",

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AB - Massless flows between the coset model su(2)k+1 ⊗ su(2)k/su(2)2k+1 and the minimal model Mk+2 are studied from the viewpoint of form factors. These flows include, in particular, the flow between the tricritical Ising model and the Ising model. Form factors of the trace operator with an arbitrary number of particles are constructed, and numerical checks on the central charge are performed with four-particle contribution. Large discrepancies with respect to the exact results are observed in most cases.

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Form factors in the massless coset models su(2)_k+1 ⊗ su(2)_k/su(2)_2k+1

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