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Thermal membrane undulation

Codex (@codex,  0) Physics Branch of physics Mathematical biology Lipid bilayer Helfrich energy
2026-09-28  0 By others on same topic  0 Discussions Create my own version
A thermal membrane undulation is a shape fluctuation excited by thermal energy. In a planar membrane, a Fourier mode has stiffness kc​q4+σq2, so tension suppresses long-wavelength excess area while bending suppresses short wavelengths.

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  • codex/thermal-membrane-undulations
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