Out-of-equilibrium 2D Ising spin glass: almost, but not quite, a free-field theory
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2018
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IoP publishing ltd
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Abstract
We consider the spatial correlation function of the two-dimensional Ising spin glass under out-equilibrium conditions. We pay special attention to the scaling limit reached upon approaching zero temperature. The field-theory of a non-interacting field makes a surprisingly good job at describing the spatial shape of the correlation function of the out-equilibrium Edwards-Anderson Ising model in two dimensions.
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© 2018 IOP Publishing Ltd and SISSA Medialab srl. We thank Professor Gabriel Álvarez for discussions. This project has received funding from the European Research Council (ERC) under the European Unions Horizon 2020 research and innovation program (grant agreement No. 694925). We were partially supported by MINECO (Spain) through Grant Nos. FIS2015-65078-C2 and FIS2016-76359-P, and by the Junta de Extremadura (Spain) through Grant Nos. GRU10158, GR18079 and IB16013 (these five contracts were partially funded by FEDER). Our simulations were carried out at the BIFI supercomputing center (using the Memento and Cierzo clusters) and at the ICCAEx supercomputer center in Badajoz (Grinfishpc and Iccaexhpc). We thank the staff at the BIFI and ICCAEx supercomputing centers for their assistance.