从单个驱动器中概括多个记忆: 歇斯底里的锁.
Chloe W Lindeman1, Travis R Jalowiec2, Nathan C Keim2
1James Franck Institute and Department of Physics, University of Chicago, Chicago IL, USA.
Science advances
|January 29, 2025
概括
系统可以记住过去的变形. 我们展示了歇斯顿中挫败的相互作用如何使不对称的驾驶能够创建多个记忆,就像组合锁,对混乱的系统有用.
科学领域:
- 凝聚物质物理学 凝聚物质物理学
- 材料科学 材料科学 材料科学
- 复杂的系统复杂的系统.
背景情况:
- 远离平衡的系统表现出对过去变形或驾驶的记忆.
- 返回点记忆是一种常见的机制,在此过程中,重新访问过去的极端应变将恢复以前的系统状态.
- 循环驾驶与对称 (正和负) 菌株形成嵌套的记忆,但不对称的驾驶通常不会.
研究的目的:
- 在非对称驾驶条件下的系统中研究记忆形成.
- 探索在不对称的循环驾驶中实现多重记忆的潜力.
- 了解在歇斯底里系统中挫败互动的作用.
主要方法:
- 使用了整体hysteresis模型,其中包含称为hysterons的离散元素.
- 调查了两个歇斯顿与挫败互动的行为.
- 分析了可以违反返回点记忆的条件.
主要成果:
- 证明了两个具有挫败相互作用的歇斯顿子可以违反返回点记忆.
- 展示了来自不对称的驾驶序列的多重记忆的实现.
- 建立了设计能够存储不对称循环驾驶历史记录的系统的一般原则.
结论:
- 歇斯底里系统中的丧相互作用是实现不对称驾驶下多重记忆的关键.
- 这一发现为复杂系统中的工程记忆提供了一个一般原则.
- 不对称的驾驶可以作为一个敏感的探测器,在混乱的系统中发现挫败感.
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