Janke, W.; Johnston, D.A.; Kenna, R. - In: Physica A: Statistical Mechanics and its Applications 336 (2004) 1, pp. 181-186
The introduction of a metric onto the space of parameters in models in statistical mechanics and beyond gives an alternative perspective on their phase structure. In such a geometrisation, the scalar curvature, R, plays a central role. A non-interacting model has a flat geometry (R=0), while R...