Quantum chaos with nonperiodic, complex orbits in the resonant tunneling diode

被引：25

作者：

Saraga, DS ^{[1
]}

Monteiro, TS ^{[1
]}

机构：

[1] Univ London Univ Coll, Dept Phys & Astron, London WC1E 6BT, England

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 81卷 / 26期

关键词：

D O I：

10.1103/PhysRevLett.81.5796

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that special types of orbits, which are nonperiodic and complex "saddle orbits" (SOs), describe accurately the quantal and experimental current oscillations in the resonant tunneling diode in tilted fields. The SOs solve the puzzle of broad regions of experimental oscillations where we find no real or complex periodic orbit (PO) that can explain the data. The SOs succeed in regimes involving several nonisolated POs, where PO formulas fail. We show that their contribution can, unexpectedly, decay very slowly in the classical limit.

引用

页码：5796 / 5799

页数：4

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