非线性合诱导异常状态转移和通过adiabatic控制完成多状态激发
Zhao-Xian Chen1,2, Yi Ru1, Guang-Chen He1
1Nanjing University, School of Materials Science and Intelligent Engineering, Suzhou, 215163, China.
Physical review letters
|February 6, 2026
概括
研究人员展示了一种具有可调节合的非线性声学系统,可控制多个稳定状态. 这种非线性合允许访问所有状态,包括以前无法访问的状态,用于可编程多状态控制.
科学领域:
- 声学 声学 在声学方面
- 非线性动力学是一种非线性动力学.
- 凝聚物质物理学 凝聚物质物理学
背景情况:
- 非线性系统中的多稳定性对于诸如内存设备之类的应用至关重要.
- 控制多个稳定状态之间的过渡仍然是一个重大挑战.
- 以前的研究往往缺乏方法来访问所有动态稳定的状态.
研究的目的:
- 从理论上提出并通过实验证明一个非线性声学二度系统.
- 调查广度依赖和信号可逆合在控制多稳定性的作用.
- 为了实现对多个动态稳定状态的可编程控制.
主要方法:
- 一个非线性声学二次体的理论建模与工程间共振器合.
- 拟议的声学系统的实验实现.
- 对平稳状态反应,歇斯底里循环和吸引流域的分析.
- 开发一种用于状态选择的阿迪亚巴特式协议.
主要成果:
- 该系统表现出五度稳定状态响应,最多有三个稳定状态:低 (LS),中间 (IS) 和高 (HS).
- 在单调的扫描过程中观察到不对称的歇斯底里,在常规驾驶下,IS是动态不可访问的.
- 非线性合重塑相位空间几何,隔离了IS.
- 一个新的上下向上亚亚巴特协议成功访问了包括IS在内的所有稳定状态.
- 通过变化的驱动频率和减噪观察到从双位稳定到三位稳定模式的过渡.
结论:
- 这项工作介绍了非线性合控制的多稳定性的第一个实验实现.
- 工程合提供了前所未有的控制多稳定性和状态选择.
- 开发的adiabatic协议为非线性系统中的可编程多态控制提供了一个多功能路径.
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