paper

Field Theory of Primaries in W_N Minimal Models

arXiv:1302.3851 · doi:10.1007/JHEP11(2013)060

Abstract

For W_N minimal model CFT's at Large N, we formulate a nonlinear field theory of primary operators. A classification of single-trace operators is given first based on which an interacting field theory operating in Fock space is built. A hamiltonian is constructed with the property that it reproduces exactly the spectrum of conformal dimensions of all the primaries. This field theory is characterized by cubic (and quartic) interactions with G=1/N as an interaction parameter. It is seen that the 1/N nonlinear representation contains the interactions and structure known from Matrix-vector models.

44 pages. v4: misprints corrected, minor improvement

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