Aging Dynamics of the Heisenberg Spin Glass

Details Aging Dynamics of the Heisenberg Spin Glass Aging Dynamics of the Heisenberg Spin Glass

2003-12-12

arxiv.org/abs/cond-mat/0312327v1

Phys. Rev. B 69, 184423 (2004)

Physics

Condensed Matter

Disordered Systems and Neural Networks

16 pages; 14 figs; Higher-quality Figs. 5, 6 upon request

Scientific paper

10.1103/PhysRevB.69.184423

We numerically study the non-equilibrium dynamics of the three dimensional Heisenberg Edwards-Anderson spin glass following a sudden quench to its low temperature phase. The subsequent aging behavior of the system is analyzed in detail, and the scaling behavior of various space-time correlation functions is investigated for both spin and chiral degrees of freedom. We carefully compare our results with those obtained from simulations of the more studied Ising version of the model, and with experiments on real spin glasses in which the spins have vectorial character. Finally, the present dynamical study offers new perspectives into the possibility of spin-chirality decoupling at low temperature in vectorial spin glasses.

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