Groupe de Physique Statistique

Equipe 106, Institut Jean Lamour

                     
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Articles dans des revues à comité de lecture

On logarithmic extensions of local scale-invariance
Henkel M.
Nucl. Phys. B869 (2013) [FS] 282-302
DOI : 10.1016/j.nuclphysb.2012.12.007
ArXiv : arxiv:1009.4139 [PDF]

The known logarithmic extensions of conformal and Schroedinger-invariance assume translation-invariance in their spatial and temporal coordinates. Therefore, they cannot be applied directly to slow far-from-equilibrium relaxations, where time-translation-invariance no longer holds. Here, the logarithmic extension of ageing-invariance, that is local dynamical scaling without the assumption of time-translation-invariance, is presented. Co-variant two-point functions are derived. Their form is compared to transfer-matrix renormalisation group data for the two-time autoresponse function of the $1D$ critical contact process, which is in the directed percolation universality class.



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