期刊
PHYSICA SCRIPTA
卷 T165, 期 -, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0031-8949/2015/T165/014039
关键词
long-range interactions; Ising model; prethermalization
We report analytic results for the correlation functions of long-range quantum Ising models in arbitrary dimension. In particular, we focus on the long-time evolution and the relevant timescales on which correlations relax to their equilibrium values. By deriving upper bounds on the correlation functions in the large-system limit, we prove that a wide separation of timescales, accompanied by a pronounced prethermalization plateau, occurs for sufficiently long-ranged interactions.
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