Exact solutions of the two-dimensional discrete nonlinear Schrodinger equation with saturable nonlinearity

被引：3

作者：

Khare, Avinash ^{[1
]}

Rasmussen, Kim O. ^{[2
,3
]}

Samuelsen, Mogens R. ^{[4
]}

Saxena, Avadh ^{[2
,3
]}

机构：

[1] Inst Phys, Bhubaneswar 751005, Orissa, India

[2] Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

[3] Los Alamos Natl Lab, Ctr Nonlinear Studies, Los Alamos, NM 87545 USA

[4] Tech Univ Denmark, Dept Phys, DK-2800 Lyngby, Denmark

来源：

JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL | 2010年 / 43卷 / 37期

关键词：

WAVE-GUIDE ARRAYS;

D O I：

10.1088/1751-8113/43/37/375209

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that the two-dimensional, nonlinear Schrodinger lattice with a saturable nonlinearity admits periodic and pulse-like exact solutions. We establish the general formalism for the stability considerations of these solutions and give examples of stability diagrams. Finally, we show that the effective Peierls-Nabarro barrier for the pulse-like soliton solution is zero.

引用

页数：10

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