# Activated barrier crossing dynamics of a Janus particle carrying cargo

Source: [Activated barrier crossing dynamics of a Janus particle carrying cargo](<https://www.sota2.com/research/paper/68fa38ea1e209131ce8be53a>)

Collection index: [llms.txt](<https://www.sota2.com/research/llms.txt>)

Data updated: 2025-10-27T03:54:31.477Z

Authors: Tanwi Debnath, Pulak Kumar Ghosh

Published: 2018-12-19T11:54:30.000Z

## Abstract

We numerically study the escape kinetics of a self-propelled Janus particle, carrying a cargo, from a meta-stable state. We assume that the cargo is attached to the Janus particle by a flexible harmonic spring. We take into account the effect of velocity field, created in the fluid due to movements of dimer's components, by considering space-dependent diffusion tensor (Oseen tensor). Our simulation results show that the synchronization between barrier crossing events and rotational relaxation process can enhance escape rate to a large extent. Also, the load carrying capability of a Janus particle is largely controlled by its rotational dynamics and self-propulsion velocity. Moreover, the hydrodynamic interaction, conspicuously, enhances the escape rate of the Janus-cargo dimer. The most of the important features in escape kinetics have been justified based on the analytic arguments.

## Recorded benchmark results

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## Original sources and implementation

[Original paper](<https://arxiv.org/abs/1812.07891>)

[PDF](<https://arxiv.org/pdf/1812.07891.pdf>)