Spontaneous Vibrations and Stochastic Resonance of Short Oligomeric Springs
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arXiv
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| Format: | Preprint |
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2023
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| _version_ | 1866916495436546048 |
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| author | Astakhov, Alexey M. Petrovskii, Vladislav S. Frolkina, Maria A. Markina, Anastasia A. Muratov, Alexander D. Valov, Alexander F. Avetisov, Vladik A. |
| author_facet | Astakhov, Alexey M. Petrovskii, Vladislav S. Frolkina, Maria A. Markina, Anastasia A. Muratov, Alexander D. Valov, Alexander F. Avetisov, Vladik A. |
| contents | There is growing interest in molecular structures that exhibit dynamics similar to bistable mechanical systems. These structures have the potential to be used as nanodevices with two distinct states. Particularly intriguing are structures that display spontaneous vibrations and stochastic resonance. Previously, through molecular dynamics simulations, it was discovered that short pyridine-furan springs, when subjected to force loading, exhibit the bistable dynamics of a Duffing oscillator. In this study, we extend these simulations to include short pyridine-pyrrole and pyridine-furan springs in a hydrophobic solvent. Our findings demonstrate that these systems also display the bistable dynamics of a Duffing oscillator, accompanied by spontaneous vibrations and stochastic resonance activated by thermal noise. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2311_06016 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Spontaneous Vibrations and Stochastic Resonance of Short Oligomeric Springs Astakhov, Alexey M. Petrovskii, Vladislav S. Frolkina, Maria A. Markina, Anastasia A. Muratov, Alexander D. Valov, Alexander F. Avetisov, Vladik A. Soft Condensed Matter Materials Science There is growing interest in molecular structures that exhibit dynamics similar to bistable mechanical systems. These structures have the potential to be used as nanodevices with two distinct states. Particularly intriguing are structures that display spontaneous vibrations and stochastic resonance. Previously, through molecular dynamics simulations, it was discovered that short pyridine-furan springs, when subjected to force loading, exhibit the bistable dynamics of a Duffing oscillator. In this study, we extend these simulations to include short pyridine-pyrrole and pyridine-furan springs in a hydrophobic solvent. Our findings demonstrate that these systems also display the bistable dynamics of a Duffing oscillator, accompanied by spontaneous vibrations and stochastic resonance activated by thermal noise. |
| title | Spontaneous Vibrations and Stochastic Resonance of Short Oligomeric Springs |
| topic | Soft Condensed Matter Materials Science |
| url | https://arxiv.org/abs/2311.06016 |