Separation of Time Scales and Reparametrization Invariance for Aging Systems Export

@article{ChamonCugliandoloPRL2002, abstract = {We show that the generating functional describing the slow dynamics of spin-glass systems is invariant under reparametrizations of the time. This result is general and applies for both infinite and short-range models. It follows simply from the assumption that a separation between short time scales and long time scales exists in the system, and from the constraints of causality and unitarity. Globaltime reparametrization invariance suggests that the low action excitations in a spin-glass may be smoothly spatially varying time reparametrizations. These Goldstone modes may provide the basis for an analytic dynamical theory of short-range spin glasses.}, author = {Chamon, Claudio and Kennett, Malcolm P. and Castillo, Horacio E. and Cugliandolo, Leticia F.}, citeulike-article-id = {300014}, day = {18}, journal = {Phys. Rev. Lett.}, keywords = {aging, glass, theory}, month = {November}, number = {21}, pages = {217201-1--217201-4}, posted-at = {2005-08-21 11:48:00}, priority = {2}, title = {Separation of Time Scales and Reparametrization Invariance for Aging Systems}, volume = {89}, year = {2002} }

TY - JOUR ID - ChamonCugliandoloPRL2002 L3 - citeulike-article-id:300014 N2 - We show that the generating functional describing the slow dynamics of spin-glass systems is invariant under reparametrizations of the time. This result is general and applies for both infinite and short-range models. It follows simply from the assumption that a separation between short time scales and long time scales exists in the system, and from the constraints of causality and unitarity. Globaltime reparametrization invariance suggests that the low action excitations in a spin-glass may be smoothly spatially varying time reparametrizations. These Goldstone modes may provide the basis for an analytic dynamical theory of short-range spin glasses. IS - 21 JF - Phys. Rev. Lett. EP - 217201-4 TI - Separation of Time Scales and Reparametrization Invariance for Aging Systems VL - 89 SP - 217201-1 KW - aging KW - glass KW - theory AU - Chamon, Claudio AU - Kennett, Malcolm AU - Castillo, Horacio AU - Cugliandolo, Leticia PY - 2002/11/18/ ER -