Title: Phase behaviors and dynamics of active particle systems in double-well potential Show Chinese title

Title: 活性粒子系统在双势阱势场中的相行为和动力学

Abstract: In this study, we investigate the behaviors and dynamics of self-propelled particles with active reorientation (AR) in a double-well potential. We explore the competition between AR and external potentials, revealing that self-propelled particles exhibit flocking and clustering behaviors in an asymmetric potential trap. Through molecular dynamics simulations, we obtain a phase diagram that illustrates flocking behavior as a function of active reorientation and potential asymmetry. We compare the responses of inactive and active particles to the potential, finding that active reorientation significantly increases aggregation on one side of the asymmetric potential well. Additionally, by calculating the mean squared displacement and scaling exponent, we identify distinct diffusion regimes. Our findings demonstrate that active particles with active reorientation are more sensitive to variations in double-well potentials. Show Chinese abstract

Abstract: 在本研究中，我们研究了具有主动重新定向（AR）的自推进粒子在双势阱中的行为和动力学。我们探索了AR与外部势能之间的竞争，揭示出自推进粒子在非对称势阱中表现出集群和聚集行为。通过分子动力学模拟，我们获得了一个相图，该图说明了集群行为作为主动重新定向和势能不对称性的函数。我们比较了非活性和活性粒子对势能的响应，发现主动重新定向显著增加了非对称势阱一侧的聚集。此外，通过计算均方位移和标度指数，我们识别出不同的扩散区域。我们的研究结果表明，具有主动重新定向的活性粒子对双势阱的变化更为敏感。