Long-range inverse two-spin correlations in one-dimensional Potts lattices |
| |
Authors: | C F Tejero J A Cuesta R Brito |
| |
Institution: | (1) Departamento de Fisica Aplicada I, Facultad de Fisica, Universidad Complutense, 28040 Madrid, Spain |
| |
Abstract: | The inverse two-spin correlation function of a one-dimensional three-state Potts lattice with constant nearest-neighbor interactions in a uniform external field is derived exactly. It is shown that the external field induces long-range correlations. The inverse two-spin correlation function decays in a monotonie exponential fashion for a ferromagnetic lattice, while it decays in an oscillatory exponential fashion for an antiferromagnetic lattice. With no external field the inverse two-spin correlation function has a finite range equal to that of the interactions. |
| |
Keywords: | Inverse two-spin correlation function one-dimensional Potts model Ising model lattice model |
本文献已被 SpringerLink 等数据库收录! |