Density matrix renormalization group approach for many-body open quantum systems

被引：67
|
作者：
Rotureau, J. [1 ]
Michel, N.
Nazarewicz, W.
Ploszajczak, M.
Dukelsky, J.
机构：
[1] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
[2] Oak Ridge Natl Lab, Div Phys, Oak Ridge, TN 37831 USA
[3] Oak Ridge Natl Lab, Joint Inst Heavy Ion Res, Oak Ridge, TN 37831 USA
[4] Univ Warsaw, Inst Theoret Phys, PL-00681 Warsaw, Poland
[5] CEA, DSM, CNRS, IN2P3,GANIL, F-14076 Caen, France
[6] CSIC, Inst Estructura Mat, E-28006 Madrid, Spain
来源：
PHYSICAL REVIEW LETTERS | 2006年 / 97卷 / 11期
关键词：
D O I：
10.1103/PhysRevLett.97.110603
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The density matrix renormalization group (DMRG) approach is extended to complex-symmetric density matrices characteristic of many-body open quantum systems. Within the continuum shell model, we investigate the interplay between many-body configuration interaction and coupling to open channels in case of the unbound nucleus He-7. It is shown that the extended DMRG procedure provides a highly accurate treatment of the coupling to the nonresonant scattering continuum.
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页数：4
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