On the Analytic Origin of Two Species of Cochlear Eigenmodes
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arXiv
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| Hauptverfasser: | , , , |
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| Format: | Preprint |
| Veröffentlicht: |
2026
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| _version_ | 1866910055304003584 |
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| author | Momi, Asheesh S. Graf, Isabella R. Abbott, Michael C. Machta, Benjamin B. |
| author_facet | Momi, Asheesh S. Graf, Isabella R. Abbott, Michael C. Machta, Benjamin B. |
| contents | After entering the ear, sound waves propagate as surface waves along the cochlea's basilar membrane. In recent work, we showed numerically that the system supports two types of modes: localized resonant modes, which underpin the modern understanding of cochlear mechanics, and a novel class of spatially extended modes. Here, we develop an analytic framework that explains the emergence of this mode structure. We show that extended modes arise from globally continuous standing-wave solutions, whereas localized modes result from internal resonance requiring matching across a singular point. These results clarify the generic structure of cochlear wave equations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_16047 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | On the Analytic Origin of Two Species of Cochlear Eigenmodes Momi, Asheesh S. Graf, Isabella R. Abbott, Michael C. Machta, Benjamin B. Biological Physics After entering the ear, sound waves propagate as surface waves along the cochlea's basilar membrane. In recent work, we showed numerically that the system supports two types of modes: localized resonant modes, which underpin the modern understanding of cochlear mechanics, and a novel class of spatially extended modes. Here, we develop an analytic framework that explains the emergence of this mode structure. We show that extended modes arise from globally continuous standing-wave solutions, whereas localized modes result from internal resonance requiring matching across a singular point. These results clarify the generic structure of cochlear wave equations. |
| title | On the Analytic Origin of Two Species of Cochlear Eigenmodes |
| topic | Biological Physics |
| url | https://arxiv.org/abs/2603.16047 |