Level statistics of quantum dots coupled to reservoirs

被引：22
|
作者：
Konig, J
Gefen, Y
Schon, G
机构：
[1] Univ Karlsruhe, Inst Theoret Festkorperphys, D-76128 Karlsruhe, Germany
[2] Weizmann Inst Sci, Dept Condensed Matter Phys, IL-76100 Rehovot, Israel
来源：
PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 20期
关键词：
D O I：
10.1103/PhysRevLett.81.4468
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the effect of electron tunneling on the level statistics of quantum dots. While the coupling between individual levels and the electron reservoir leads predominantly to the expected level broadening, the indirect coupling of adjacent levels via the reservoir results in new asymptotic level statistics and broadening. These features, which are attributed to renormalized spectral weights rather than to renormalized eigenvalues of the Hamiltonian, are observable in the asymptotic frequency dependence in an absorption experiment. [S0031-9007(98)07630-3].
引用
收藏
页码：4468 / 4471
页数：4
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