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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2024
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| Soggetti: | |
| Accesso online: | https://arxiv.org/abs/2409.02461 |
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| _version_ | 1866913491422543872 |
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| author | Iso, Naoki Norizoe, Yuki Sakaue, Takahiro |
| author_facet | Iso, Naoki Norizoe, Yuki Sakaue, Takahiro |
| contents | Given the wide range of length scales, the analysis of polymer systems often requires coarse-graining, for which various levels of description may be possible depending on the phenomenon under consideration. Here, we provide a super-coarse grained description, where polymers are represented as a succession of mesosopic soft beads which are allowed to overlap with others. We then investigate the phase separation behaviors in a mixture of such homopolymers based on mean-field theory, and discuss universal aspects of the miscibility phase diagram in comparison with the numerical simulation. We also discuss an extension of our analysis to mixtures involving random copolymers, which might be interesting in the context of chromatin organization in a cell nucleus. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_02461 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Phase separation in soft repulsive polymer mixtures: foundation and implication for chromatin organization Iso, Naoki Norizoe, Yuki Sakaue, Takahiro Soft Condensed Matter Given the wide range of length scales, the analysis of polymer systems often requires coarse-graining, for which various levels of description may be possible depending on the phenomenon under consideration. Here, we provide a super-coarse grained description, where polymers are represented as a succession of mesosopic soft beads which are allowed to overlap with others. We then investigate the phase separation behaviors in a mixture of such homopolymers based on mean-field theory, and discuss universal aspects of the miscibility phase diagram in comparison with the numerical simulation. We also discuss an extension of our analysis to mixtures involving random copolymers, which might be interesting in the context of chromatin organization in a cell nucleus. |
| title | Phase separation in soft repulsive polymer mixtures: foundation and implication for chromatin organization |
| topic | Soft Condensed Matter |
| url | https://arxiv.org/abs/2409.02461 |