title   
  

Lower-critical spin-glass dimension from 23 sequenced hierarchical models

Demirtaş, Mehmet and Tuncer, Aslı and Berker, A. Nihat (2015) Lower-critical spin-glass dimension from 23 sequenced hierarchical models. Physical Review E, 92 (2). ISSN 1539-3755 (Print) 1550-2376 (Online)

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Official URL: http://dx.doi.org/10.1103/PhysRevE.92.022136

Abstract

The lower-critical dimension for the existence of the Ising spin-glass phase is calculated, numerically exactly, as d(L) = 2.520 for a family of hierarchical lattices, from an essentially exact (correlation coefficent R-2 = 0.999 999) near-linear fit to 23 different diminishing fractional dimensions. To obtain this result, the phase transition temperature between the disordered and spin-glass phases, the corresponding critical exponent y(T), and the runaway exponent y(R) of the spin-glass phase are calculated for consecutive hierarchical lattices as dimension is lowered.

Item Type:Article
Additional Information:Article Number: 022136
Subjects:UNSPECIFIED
ID Code:29058
Deposited By:A. Nihat Berker
Deposited On:14 Dec 2015 15:58
Last Modified:14 Dec 2015 15:58

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