运行和的动态与三个速度状态之间的非互惠过渡
Julio C R Romo-Cruz1, Francisco J Sevilla1
1Universidad Nacional Autónoma de México, Instituto de Física, Apartado Postal 20-364, Ciudad de México, México.
Physical review. E
|December 23, 2025
概括
这项研究探讨了使用新的三态运行和倒模型的活性粒子运输. 它揭示了内部状态不对称如何驱动各种不平衡运输行为,包括扩散,即使没有微观可逆性.
科学领域:
- 统计力学 统计力学
- 软物质物理学 软物质物理学
- 理论物理 理论物理
背景情况:
- 活性粒子表现出由内部动力学驱动的复杂的运输现象.
- 传统模型通常假定微观可逆性,限制了不平衡研究的范围.
- 了解在破坏微观可逆性的系统中的运输对于不平衡统计力学至关重要.
研究的目的:
- 为了研究具有三态运转动态的活性粒子的运输特性.
- 探索非互惠过渡率和内部状态不对称性的作用.
- 开发一个研究超越互动动态的不平衡运输的框架.
主要方法:
- 动力蒙特卡洛模拟用于模拟粒子动力学.
- 分析方法来描述运输属性.
- 探索过渡率空间以映射不同的行为.
主要成果:
- 观察到各种不平衡行为:弹道运输,巨型扩散和瞬态动力学 (高斯/非高斯).
- 鉴定了新出现的扩散行为条件,尽管微观可逆性被破坏.
- 导出了漂移,扩散系数和位置分布时刻的确切表达式.
结论:
- 内部状态不可逆转性从根本上决定了宏观的运输特性.
- 拟议的模型提供了一个可操作的框架,用于超越相互动态的活跃运动.
- 强调非互惠在产生丰富的不平衡现象中的重要性.
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