Scalings of domain wall energies in two dimensional Ising spin glasses

Details Scalings of domain wall energies in two dimensional Ising spin glasses Scalings of domain wall energies in two dimensional Ising spin glasses

2003-05-02

arxiv.org/abs/cond-mat/0305042v2

Phys. Rev. Lett. 91 (2003) 087201

Physics

Condensed Matter

Disordered Systems and Neural Networks

Clarifications and extra references

Scientific paper

10.1103/PhysRevLett.91.087201

We study domain wall energies of two dimensional spin glasses. The scaling of these energies depends on the model's distribution of quenched random couplings, falling into three different classes. The first class is associated with the exponent theta =-0.28, the other two classes have theta = 0, as can be justified theoretically. In contrast to previous claims, we find that theta=0 does not indicate d=d_l but rather d <= d_l, where d_l is the lower critical dimension.

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