Active Particles Destabilize Passive Membranes
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arXiv
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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
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| _version_ | 1866916032426278912 |
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| author | King, David A. Russell, Thomas P. Omar, Ahmad K. |
| author_facet | King, David A. Russell, Thomas P. Omar, Ahmad K. |
| contents | We present a theory for the interaction between active particles and a passive flexible membrane. By explicitly solving for the pressure exerted by the active particles, we show that they reduce the membrane tension and bending modulus and introduce novel non-local contributions to the membrane mechanics. This theory predicts activity-induced instabilities and their morphology are in agreement with recent experimental and simulation data. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2601_16430 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Active Particles Destabilize Passive Membranes King, David A. Russell, Thomas P. Omar, Ahmad K. Soft Condensed Matter We present a theory for the interaction between active particles and a passive flexible membrane. By explicitly solving for the pressure exerted by the active particles, we show that they reduce the membrane tension and bending modulus and introduce novel non-local contributions to the membrane mechanics. This theory predicts activity-induced instabilities and their morphology are in agreement with recent experimental and simulation data. |
| title | Active Particles Destabilize Passive Membranes |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2601.16430 |