Aging, rejuvenation and memory phenomena in spin glasses Export

@article{dupuis05, abstract = {In this paper, we review several important features of the out-of-equilibrium dynamics of spin glasses. Starting with the simplest experiments, we discuss the scaling laws used to describe the isothermal aging observed in spin glasses after a quench down to the low-temperature phase. We report in particular new results on the sub-aging behaviour of spin glasses. We then discuss the rejuvenation and memory effects observed when a spin glass is submitted to temperature variations during aging, from the point of view of both energy landscape pictures and real-space pictures. We highlight the fact that both approaches point out the necessity of hierarchical processes involved in aging. Finally, we report an investigation of the effect of small temperature variations on aging in spin glass samples with various anisotropies which indicates that this hierarchy depends on the spin anisotropy.}, author = {Dupuis, V. and Bert, F. and Bouchaud, J. and Hammann, J. and Ladieu, F. and Parker, D. and Vincent, E.}, citeulike-article-id = {5231935}, citeulike-linkout-0 = {http://dx.doi.org/10.1007/BF02704172}, citeulike-linkout-1 = {http://www.springerlink.com/content/f8194r54h76h8377}, day = {1}, doi = {10.1007/BF02704172}, journal = {Pramana}, keywords = {memory, spin-glass, theory}, month = {June}, number = {6}, pages = {1109--1119}, posted-at = {2009-07-22 21:36:09}, priority = {2}, title = {Aging, rejuvenation and memory phenomena in spin glasses}, url = {http://dx.doi.org/10.1007/BF02704172}, volume = {64}, year = {2005} }

TY - JOUR ID - dupuis05 L3 - citeulike-article-id:5231935 N2 - In this paper, we review several important features of the out-of-equilibrium dynamics of spin glasses. Starting with the simplest experiments, we discuss the scaling laws used to describe the isothermal aging observed in spin glasses after a quench down to the low-temperature phase. We report in particular new results on the sub-aging behaviour of spin glasses. We then discuss the rejuvenation and memory effects observed when a spin glass is submitted to temperature variations during aging, from the point of view of both energy landscape pictures and real-space pictures. We highlight the fact that both approaches point out the necessity of hierarchical processes involved in aging. Finally, we report an investigation of the effect of small temperature variations on aging in spin glass samples with various anisotropies which indicates that this hierarchy depends on the spin anisotropy. IS - 6 JF - Pramana EP - 1119 TI - Aging, rejuvenation and memory phenomena in spin glasses VL - 64 SP - 1109 KW - memory KW - spin-glass KW - theory AU - Dupuis, V AU - Bert, F AU - Bouchaud, J AU - Hammann, J AU - Ladieu, F AU - Parker, D AU - Vincent, E PY - 2005/06/01/ UR - http://dx.doi.org/10.1007/BF02704172 ER -