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EnglishA simple d-dimensional lattice model is proposed, incorporating some degree of frustration and thus capable of describing some aspects of molecular orientation in covalently bound molecular solids. For d = 2 the model is shown to be equivalent to the standard two-dimensional Ising model, while for d > 2 it describes a peculiar transition from an isotropic high temperature phase to a low-dimensional anisotropic low temperature state. A general mean field analysis is presented and compared to some exact limit properties.
| Titolo: | Low dimensional ordering on a lattice model |
| Autori interni: | |
| Data di pubblicazione: | 1997 |
| Rivista: | |
| Citazione: | Low dimensional ordering on a lattice model / Siringo F. - In: PHYSICS LETTERS A. - ISSN 0375-9601. - 226:6(1997), pp. 378-382. |
| Abstract: | A simple d-dimensional lattice model is proposed, incorporating some degree of frustration and thus capable of describing some aspects of molecular orientation in covalently bound molecular solids. For d = 2 the model is shown to be equivalent to the standard two-dimensional Ising model, while for d > 2 it describes a peculiar transition from an isotropic high temperature phase to a low-dimensional anisotropic low temperature state. A general mean field analysis is presented and compared to some exact limit properties. |
| Handle: | http://hdl.handle.net/20.500.11769/13343 |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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