English

The +/-J Spin Glass: Effects of Ground State Degeneracy

Disordered Systems and Neural Networks 2009-10-31 v2 Statistical Mechanics

Abstract

We perform Monte Carlo simulations of the Ising spin glass at low temperature in three dimensions with a +/-J distribution of couplings. Our results display crossover scaling between T=0 behavior, where the order parameter distribution P(q) becomes trivial for L -> \infty, and finite-T behavior, where the non-trivial part of P(q) has a much weaker dependence on the size L, and is possibly size independent.

Keywords

Cite

@article{arxiv.cond-mat/0012161,
  title  = {The +/-J Spin Glass: Effects of Ground State Degeneracy},
  author = {Matteo Palassini and A. P. Young},
  journal= {arXiv preprint arXiv:cond-mat/0012161},
  year   = {2009}
}

Comments

4 pages, 5 figures. Replaced with published version. Minor changes