Quantum dynamical entropy of spin systems

被引：2
|
作者：
Miyadera, T [1 ]
Ohya, M
机构：
[1] Natl Inst AIST, Chiyoda Ku, Tokyo 1010021, Japan
[2] Sci Univ Tokyo, Dept Informat Sci, Noda, Chiba 2788510, Japan
来源：
REPORTS ON MATHEMATICAL PHYSICS | 2005年 / 56卷 / 01期
关键词：
quantum dynamical system; quantum dynamical entropy; quantum spin system;
D O I：
10.1016/S0034-4877(05)80037-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate a quantum dynamical entropy of one-dimensional quantum spin systems. We show that the dynamical entropy is bounded from above by a quantity which is related with group velocity determined by the interaction and mean entropy of the state.
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页码：1 / 10
页数：10
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