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Geometrical approach to phase transitions in frustrated and unfrustrated systems

Coniglio, Antonio - In: Physica A: Statistical Mechanics and its Applications 281 (2000) 1, pp. 129-146

We review the basic ideas which have been developed to characterize geometrically the equilibrium phase transitions. This approach elucidates many concepts like propagation of correlations, upper critical dimensionality, breakdown of hyperscaling, strong universality, and other basic ideas in...

Persistent link: https://www.econbiz.de/10010873243

Percolating spin-glass domains in diluted ±J square lattices

Vogel, E.E; Contreras, S; Osorio, M.A; … - In: Physica A: Statistical Mechanics and its Applications 266 (1999) 1, pp. 425-429

.7 (increasing outside this interval) leading to a possible robust partial spin-glass behavior. The percolation threshold does not …

Persistent link: https://www.econbiz.de/10011057024

Percolation in ±J Ising lattices after removing frustration

Vogel, E.E.; Contreras, S.; Nieto, F.; … - In: Physica A: Statistical Mechanics and its Applications 257 (1998) 1, pp. 256-263

lattices percolate, which is more than randomly formed lattices with the same bond content. Percolation curves for the diluted … lattice are obtained. The percolation threshold is about 0.4, which is less than 0.5, the percolation threshold for randomly … formed lattices. Percolation curves are better defined for diluted lattices when the fractional content of bonds in the …

Persistent link: https://www.econbiz.de/10011061589