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Vol. 69, No. 1 (2020)

2020-01-05

Special topic

非线性物理

编者按 

非线性波是非线性物理中常见的现象. 研究非线性波有助于弄清物理系统在非线性作用下的运动变化规律, 合理解释相关的自然现象. 由于非线性波不满足物理学中常用的线性叠加原理, 同时非线性波的控制方程往往是非线性偏微分方程, 这导致对它的研究一直是数学和物理中重要而困难的课题. 近十年来, 由于观测技术的进步, 玻色-爱因斯坦凝聚 (BEC) 系统中孤立子和光纤系统中怪波的实验研究取得了重要进展, 极大地推动了不同物理系统中非线性波及其相关问题的研究. 本专题邀请国内活跃在非线性物理研究第一线的专家撰文 15 篇 (含综述和研究论文), 内容包括从物理角度研究 BEC 系统的拓扑性质和孤立子、铁磁纳米线的磁怪波和弹性管中怪波、光学系统中的怪波和孤立子及其发生机制, 以及从数学角度 (可积系统) 研究非局域系统的孤立子、离散物理系统的多维相容和非线性波、Boussinesq 系统 Lax 对等性质等.


希望本专题能够尽可能反映基于可积系统的非线性波研究现状, 为青年学者选择科研方向、确定研究课题以及从事相关领域研究的人员提供一点帮助, 促进我国在非线性波的物理应用和数学理论的发展.

中国科学院物理研究所 刘伍明: 深圳大学高等研究院 贺劲松: 北京信息科技大学 王灯山 Acta Physica Sinica.2020, 69(1).
SPECIAL TOPIC—Nonlinear physics
The research progress of topological properties in spinor Bose-Einstein condensates
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Discrete integrable systems: Multidimensional consistency
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The Boussinesq equation: Lax pair, Bäcklund transformation, symmetry group transformation and consistent Riccati expansion solvability
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YOUNG SCIENTISTS' FORUM

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Original Articles

EDITOR'S SUGGESTION

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GENERAL

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CONDENSED MATTER: STRUCTURAL, MECHANICAL, AND THERMAL PROPERTIES
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