%0 Book Section %1 statphys23_1083 %A Yokota, T. %B Abstract Book of the XXIII IUPAP International Conference on Statistical Physics %C Genova, Italy %D 2007 %E Pietronero, Luciano %E Loreto, Vittorio %E Zapperi, Stefano %K approximation breaking cluster glass ising line replica spin statphys23 symmetry topic-9 %T Replica symmetry breaking for the Ising spin glass in cluster approximations %U http://st23.statphys23.org/webservices/abstract/preview_pop.php?ID_PAPER=1083 %X Various cluster approximations are applied to the Ising spin glass in a field using the replica method close to the glass transition temperature. The spin glass order parameter function and the de Almeida-Thouless line are obtained and compared with those for the Sherrington-Kirkpatrick (SK) model. The slope of the order parameter function seems to become smaller as the cluster size becomes larger. The region of glassy phase in the temperature-field plane of the phase diagram for clusters without a loop is smaller than that for the SK model. Changes of the region for clusters with loops are more complicated.

@incollection{statphys23_1083, abstract = {Various cluster approximations are applied to the Ising spin glass in a field using the replica method close to the glass transition temperature. The spin glass order parameter function and the de Almeida-Thouless line are obtained and compared with those for the Sherrington-Kirkpatrick (SK) model. The slope of the order parameter function seems to become smaller as the cluster size becomes larger. The region of glassy phase in the temperature-field plane of the phase diagram for clusters without a loop is smaller than that for the SK model. Changes of the region for clusters with loops are more complicated.}, added-at = {2007-06-20T10:16:09.000+0200}, address = {Genova, Italy}, author = {Yokota, T.}, biburl = {https://www.bibsonomy.org/bibtex/22eb79d0cbc6e4853b7258d81a71ecbfc/statphys23}, booktitle = {Abstract Book of the XXIII IUPAP International Conference on Statistical Physics}, editor = {Pietronero, Luciano and Loreto, Vittorio and Zapperi, Stefano}, interhash = {bc3fb1f1c4142d73416331ec986047b7}, intrahash = {2eb79d0cbc6e4853b7258d81a71ecbfc}, keywords = {approximation breaking cluster glass ising line replica spin statphys23 symmetry topic-9}, month = {9-13 July}, timestamp = {2007-06-20T10:16:38.000+0200}, title = {Replica symmetry breaking for the Ising spin glass in cluster approximations}, url = {http://st23.statphys23.org/webservices/abstract/preview_pop.php?ID_PAPER=1083}, year = 2007 }