Tuning Steady Shear Rheology through Active Dopants
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arXiv
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866918161811505152 |
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| author | Shee, Amir Bandyopadhyay, Ritwik Yue, Haicen |
| author_facet | Shee, Amir Bandyopadhyay, Ritwik Yue, Haicen |
| contents | We numerically investigate the steady shear rheology of mixtures of active and passive Brownian particles, with varying fractions of active components. We find that even a small fraction of active dopants triggers fluidization with comparable efficiency to fully active systems. A combined parameter, active energy, given by dopant fraction multiplied by propulsion speed squared controls the steady shear rheology and glass transition of the active-passive mixtures. These results together provide a quantitative strategy for fine-tuning the mechanical properties of a soft material with small amounts of active dopants. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2506_05262 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Tuning Steady Shear Rheology through Active Dopants Shee, Amir Bandyopadhyay, Ritwik Yue, Haicen Soft Condensed Matter Statistical Mechanics We numerically investigate the steady shear rheology of mixtures of active and passive Brownian particles, with varying fractions of active components. We find that even a small fraction of active dopants triggers fluidization with comparable efficiency to fully active systems. A combined parameter, active energy, given by dopant fraction multiplied by propulsion speed squared controls the steady shear rheology and glass transition of the active-passive mixtures. These results together provide a quantitative strategy for fine-tuning the mechanical properties of a soft material with small amounts of active dopants. |
| title | Tuning Steady Shear Rheology through Active Dopants |
| topic | Soft Condensed Matter Statistical Mechanics |
| url | https://arxiv.org/abs/2506.05262 |