September 24, 2025Open Access

Sub-Nanometer Interfacial Hydrodynamics: The Interplay of Interfacial Viscosity and Surface Friction

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Authors

SCShane R. CarlsonFreie Universität Berlin RNRoland R. NetzInstitute for Condensed Matter Physics of the National Academy of Sciences of Ukraine

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Implication

This research demonstrates the effects of interfacial viscosity and surface friction on sub-nanometer liquid flow, suggesting implications for nanofluidics and biophysics.

Key Points

Interfacial flow descriptions improve by including position-dependent viscosity and friction profiles, enhancing nanofluidic models.
Molecular dynamics simulations reveal power-law relationships among interfacial viscosity, friction, and adhesion work at sub-nanometer scales.
Classical hydrodynamics fails below nanometer scales due to modified surface-liquid interactions, necessitating new approaches.
The framework developed has significant implications for fields ranging from electrokinetics to biophysics, indicating a broad relevance.

Cite This Study

Carlson et al. (2025) studied this question.

synapsesocial.com/papers/68d6d82e8b2b6861e4c3e08a https://doi.org/10.48550/arxiv.2508.20104

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Implication

This research demonstrates the effects of interfacial viscosity and surface friction on sub-nanometer liquid flow, suggesting implications for nanofluidics and biophysics.

Sub-Nanometer Interfacial Hydrodynamics: The Interplay of Interfacial Viscosity and Surface Friction

Discussion

Member takes

Implication

Key Points

Cite This Study

Sub-Nanometer Interfacial Hydrodynamics: The Interplay of Interfacial Viscosity and Surface Friction

Discussion

Member takes

Implication

Key Points

Cite This Study

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