Freezing of nonlinear Bloch oscillations in the generalized discrete nonlinear Schrodinger equation

被引：0

作者：

Cao, FJ

机构：

[1] Univ Lisbon, Ctr Fis Teor & Computac, P-1649003 Lisbon, Portugal

[2] Univ Complutense Madrid, GISC, E-28040 Madrid, Spain

[3] Univ Complutense Madrid, Dept Fis Atom Mol & Nucl, E-28040 Madrid, Spain

来源：

PHYSICAL REVIEW E | 2004年 / 70卷 / 03期

关键词：

D O I：

暂无

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

The dynamics in a nonlinear Schrodinger chain in a homogeneous electric field is studied. We show that discrete translational invariant integrability-breaking terms can freeze the Bloch nonlinear oscillations and introduce new faster frequencies in their dynamics. These phenomena are studied by direct numerical integration and through an adiabatic approximation. The adiabatic approximation allows a description in terms of an effective potential that greatly clarifies the phenomena.

引用

页数：6

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