Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
978813 | Physica A: Statistical Mechanics and its Applications | 2006 | 9 Pages |
Abstract
We include p-spin interactions in a spherical version of a soluble mean-field spin-glass model proposed by van Hemmen. Due to the simplicity of the solutions, which do not require the use of the replica trick, we are able to carry out a detailed investigation of a number of special situations. For p⩾3, there appear first-order transitions between the paramagnetic and the ordered phases. In the presence of additional ferromagnetic interactions, we show that there is no stable mixed phase, with both ferromagnetic and spin-glass properties.
Related Topics
Physical Sciences and Engineering
Mathematics
Mathematical Physics
Authors
P.T. Muzy, A.P. Vieira, S.R. Salinas,