Phys. Rev. Lett. 90, 046101 (2003) [4 pages]Fluid Adsorption near an Apex: Covariance between Complete and Critical WettingReceived 4 October 2002; published 29 January 2003 Critical wetting is an elusive phenomenon for solid-fluid interfaces. Using interfacial models we show that the diverging length scales, which characterize complete wetting at an apex, precisely mimic critical wetting with the apex angle behaving as the contact angle. Transfer matrix, renormalization group, and mean-field analysis show that this covariance is obeyed in 2D and 3D and for long- and short-ranged forces. This connection should be experimentally accessible and provides a means of checking theoretical predictions for critical wetting. © 2003 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.90.046101
DOI:
10.1103/PhysRevLett.90.046101
PACS:
68.08.Bc, 05.70.Np, 47.20.–k, 68.35.Md
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