Complex-temperature phase diagrams of one-dimensional spin models with next-nearest-neighbor couplings
Physical Review E - Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, ISSN: 1063-651X, Vol: 55, Issue: 5, Page: 5184-5193
1997
- 11Citations
- 3Captures
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Article Description
We study the dependence of complex-temperature phase diagrams on details of the Hamiltonian, focusing on the effect of non-nearest-neighbor spin-spin couplings. For this purpose, we consider a simple exactly solvable model, the one-dimensional (1D) Ising model with nearest-neighbor (NN) and next-nearest-neighbor (NNN) couplings. We work out the exact phase diagrams for various values of [formula presented]/[formula presented] and compare these with the case of pure NN couplings. We also give some similar results for the 1D Potts model with NN and NNN couplings. © 1997 The American Physical Society.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0001574432&origin=inward; http://dx.doi.org/10.1103/physreve.55.5184; https://link.aps.org/doi/10.1103/PhysRevE.55.5184; http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevE.55.5184/fulltext; http://link.aps.org/article/10.1103/PhysRevE.55.5184
American Physical Society (APS)
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