非马科夫平衡和非平衡障碍穿越动力学在不对称的双井潜力中
Laura Lavacchi1, Benjamin A Dalton1, Roland R Netz2
1Fachbereich Physik, Freie Universität Berlin, Berlin, 14195, Germany.
The European physical journal. E, Soft matter
|May 22, 2025
概括
这项研究引入了一种新的公式,用于预测不对称的双井潜力的反应速率,这对于理解各种科学领域的非马科夫过程至关重要. 这些发现适用于平衡系统和非平衡系统.
科学领域:
- 物理化学 物理化学
- 统计力学 统计力学
- 化学动力学 化学动力学
背景情况:
- 跨越障碍的过程是其本质上的基础,经常表现出非马科夫动态.
- 这些过程经常发生在不对称的双井自由能量景观中.
- 现有的理论和模拟通常通过假设对称的配置文件来过度简化.
研究的目的:
- 在不对称的双井潜力中研究非马科夫反应动力学.
- 开发复杂系统中跨越障碍率的预测公式.
- 将形式主义的适用性扩展到非平衡条件.
主要方法:
- 使用一个一维的通用朗格温方程 (GLE) 模型.
- 衍生出一个一般的分析公式,用于预测平均首次通道时间.
- 通过广泛的数值模拟验证了公式.
主要成果:
- 开发了一个准确的公式来预测非对称双井潜力的平均第一次通道时间.
- 该公式计算了任意记忆时间和反应坐标质量.
- 证明了形式主义对平衡和非平衡系统的有效性.
结论:
- 衍生式为分析非马科夫障碍跨越率提供了一个强大的工具.
- 这项研究扩大了对复杂能源景观中的反应动力学的理解.
- 这些发现对生物学,化学和物理有着广泛的影响.
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