Wetting and layering transitions of a spin-1/2 Ising model in a random transverse field
L. Bahmad, A. Benyoussef, A. El-Kenz, H. Ez-Zahraouy
Abstract
The effect of a random transverse field (RTF) on the wetting and layering transitions of a spin-1/2 Ising model, in the presence of bulk and surface fields, is studied within an effective field theory by using the differential operator technique. Indeed, the dependencies of the wetting temperature and wetting transverse field on the probability of the presence of a transverse field are established. For specific values of the surface field we show the existence of a critical probability pc above which wetting and layering transitions disappear.
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