Mean field and exact results for structural phase transitions in one-dimensional and very anisotropic two-dimensional and three-dimensional systems

1975 ◽  
Vol 12 (7) ◽  
pp. 2824-2831 ◽  
Author(s):  
A. R. Bishop ◽  
J. A. Krumhansl
2013 ◽  
Vol 135 (32) ◽  
pp. 12068-12075 ◽  
Author(s):  
Matthew O. Blunt ◽  
Jinne Adisoejoso ◽  
Kazukuni Tahara ◽  
Keisuke Katayama ◽  
Mark Van der Auweraer ◽  
...  

2009 ◽  
Vol 79 (10) ◽  
Author(s):  
Pablo F. Damasceno ◽  
Luis Gustavo V. Gonçalves ◽  
José Pedro Rino ◽  
Rita de Cássia M. T. de Oliveira

2015 ◽  
Vol 3 (33) ◽  
pp. 8535-8541 ◽  
Author(s):  
Guang-Quan Mei ◽  
Wei-Qiang Liao

A one-dimensional organic–inorganic hybrid exhibits two phase transitions at 288 and 215 K, coupled with remarkable dielectric performances.


2019 ◽  
Vol 6 (3) ◽  
Author(s):  
Stefanos R. Kousvos ◽  
Andreas Stergiou

Three-dimensional theories with cubic symmetry are studied using the machinery of the numerical conformal bootstrap. Crossing symmetry and unitarity are imposed on a set of mixed correlators, and various aspects of the parameter space are probed for consistency. An isolated allowed region in parameter space is found under certain assumptions involving pushing operator dimensions above marginality, indicating the existence of a conformal field theory in this region. The obtained results have possible applications for ferromagnetic phase transitions as well as structural phase transitions in crystals. They are in tension with previous \epsilonϵ expansion results, as noticed already in earlier work.


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