An Ising model on a lattice made of planar Feynman graphs, which was originally introduced by Kazakov, is studied. Its exact correspondence with a matrix model is reconsidered and a new correspondence suggested. The new nonperturbative phase of the model, recently found by one of us, is further analyzed. © 1988.
Ising models on Feynman graphs / G.M. Cicuta, L.G. Molinari, E. Montaldi. - In: NUCLEAR PHYSICS. B. - ISSN 0550-3213. - 300:2(1988), pp. 197-206. [10.1016/0550-3213(88)90593-7]
Ising models on Feynman graphs
L.G. MolinariSecondo
;
1988
Abstract
An Ising model on a lattice made of planar Feynman graphs, which was originally introduced by Kazakov, is studied. Its exact correspondence with a matrix model is reconsidered and a new correspondence suggested. The new nonperturbative phase of the model, recently found by one of us, is further analyzed. © 1988.
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