Publication : t99/010

Fully Packed $O(n=1)$ Model on Random Eulerian Triangulations

Di Francesco P. (CEA, DSM, SPhT (Service de Physique Théorique), F-91191 Gif-sur-Yvette, FRANCE)
Guitter E. (CEA, DSM, SPhT (Service de Physique Théorique), F-91191 Gif-sur-Yvette, FRANCE)
Kristjansen C. (The Niels Bohr Institute Blegdamsvej 17, DK-2100 Copenhagen, DENMARK)
Abstract:
We introduce a matrix model describing the fully packed $O(n)$ model on random Eulerian triangulations (i.e.\ triangulations with all vertices of even valency). For $n=1$ the model is mapped onto a particular gravitational 6-vertex model with central charge $c=1$, hence displaying the expected shift $c\to c+1$ when going from ordinary random triangulations to Eulerian ones. The case of arbitrary $n$ is also discussed.
Année de publication : 1999
Revue : Nucl. Phys. B [FS] (1999)
DOI : 10.1016/S0550-3213(99)00187-X
Preprint : arXiv:cond-mat/9902082
Numéro Exterieur : NBI-HE-99-03
Langue : Anglais
NB : 549, 657-667 (1999)

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