Actes de conférences
|On non-local representations of the ageing algebra in d ≥ 1 dimensions|
|Stoimenov S., Henkel M.|
|Springer Proc. Math. Stat. 111 (2015) 527-537|
|DOI : 10.1007/978-4-431-55285-7_40|
|ArXiv : arxiv:1402.3338 [PDF]|
Non-local representations of the ageing algebra for generic dynamical exponents z and for any space dimension d ≥1 are constructed. The mechanism for the closure of the Lie algebra is explained. The Lie algebra generators contain higher-order differential operators or the Riesz fractional derivative. Co-variant two-time response functions are derived. An application to phase-separation in the conserved spherical model is described.