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Sun, LQ; Zhang, J; Qin, SJ; Lei, Y; Sun, LQ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Wave-function initialization in an infinite-chain density-matrix renormalization-group algorithm
发表期刊PHYSICAL REVIEW B
关键词Systems
摘要An improved trial-wave-function initialization approach is suggested in an infinite-chain density-matrix renormalization-group (DMRG) method. When we remove the sign freedom of the retained basis in a DMRG algorithm, an optimal trial wave function for a chain can be obtained from previous wave functions for chains with shorter lengths in DMRG. Such an optimal trial wave function will reduce the iteration number of Lanczos-style approaches in calculating the eigen-wave-functions. The possibilities of converging to other eigenenergy levels are also eliminated. A one-dimensional Heisenberg chain is used in this paper to illustrate our practice.
2002
ISSN1098-0121
卷号65期号:13页码:-
学科领域Physics
收录类别SCI
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被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13555
专题理论物理所科研产出_SCI论文
通讯作者Sun, LQ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Sun, LQ,Zhang, J,Qin, SJ,et al. Wave-function initialization in an infinite-chain density-matrix renormalization-group algorithm[J]. PHYSICAL REVIEW B,2002,65(13):-.
APA Sun, LQ,Zhang, J,Qin, SJ,Lei, Y,&Sun, LQ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2002).Wave-function initialization in an infinite-chain density-matrix renormalization-group algorithm.PHYSICAL REVIEW B,65(13),-.
MLA Sun, LQ,et al."Wave-function initialization in an infinite-chain density-matrix renormalization-group algorithm".PHYSICAL REVIEW B 65.13(2002):-.
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