Temperature Chaos in Two-Dimensional Ising Spin Glasses with Binary Couplings: a Further Case for Universality

Details Temperature Chaos in Two-Dimensional Ising Spin Glasses with Binary Couplings: a Further Case for Universality Temperature Chaos in Two-Dimensional Ising Spin Glasses with Binary Couplings: a Further Case for Universality

2006-07-13

arxiv.org/abs/cond-mat/0607325v2

J. Stat. Mech. (2006) L10001

Physics

Condensed Matter

Disordered Systems and Neural Networks

5 pages, 6 postscript figures; added references

Scientific paper

10.1088/1742-5468/2006/10/L10001

We study temperature chaos in a two-dimensional Ising spin glass with random quenched bimodal couplings, by an exact computation of the partition functions on large systems. We study two temperature correlators from the total free energy and from the domain wall free energy: in the second case we detect a chaotic behavior. We determine and discuss the chaos exponent and the fractal dimension of the domain walls.

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