Pseudo-RNA with parallel aligned single-strands and periodic base sequence as a new universality class
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arXiv
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| Format: | Preprint |
| Publié: |
2024
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| _version_ | 1866914434655453184 |
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| author | Dengler, R. |
| author_facet | Dengler, R. |
| contents | We investigate a field theory for RNA-like polymers with periodic base sequence GCGCG..., where only single-strands aligned in the same direction form double strands. The field theory is derived from a lattice model that incorporates excluded volume effects, base sequence, and temperature dependent renaturation/denaturation.
The artificial directionality leads to a novel universality class, not related to conventional branched polymers and Lee-Yang field theory. This universality class is unstable against natural pairing, where oppositely aligned single-strands form double strands. The denaturation/renaturation transition is a continuous crossover between two $φ_{n=0}^{4}$ critical points and the critical point of the new universality class. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2409_10158 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Pseudo-RNA with parallel aligned single-strands and periodic base sequence as a new universality class Dengler, R. Soft Condensed Matter Statistical Mechanics Biological Physics We investigate a field theory for RNA-like polymers with periodic base sequence GCGCG..., where only single-strands aligned in the same direction form double strands. The field theory is derived from a lattice model that incorporates excluded volume effects, base sequence, and temperature dependent renaturation/denaturation. The artificial directionality leads to a novel universality class, not related to conventional branched polymers and Lee-Yang field theory. This universality class is unstable against natural pairing, where oppositely aligned single-strands form double strands. The denaturation/renaturation transition is a continuous crossover between two $φ_{n=0}^{4}$ critical points and the critical point of the new universality class. |
| title | Pseudo-RNA with parallel aligned single-strands and periodic base sequence as a new universality class |
| topic | Soft Condensed Matter Statistical Mechanics Biological Physics |
| url | https://arxiv.org/abs/2409.10158 |