期刊
JOURNAL OF MATHEMATICAL PHYSICS
卷 56, 期 12, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4936209
关键词
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We present and prove a well-known locality bound for the complex-time dynamics of a general class of one-dimensional quantum spin systems. Then we discuss how one might hope to extend this same procedure to higher dimensions using ideas related to the Eden growth process and lattice trees. Finally, we demonstrate with a specific family of lattice trees in the plane why this approach breaks down in dimensions greater than one and prove that there exist interactions for which the complex-time dynamics blows-up in finite imaginary time. (C) 2015 AIP Publishing LLC.
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