Surface Tension of an Ideal Dielectric - Electrolyte Boundary: Exactly Solvable Model

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dc.creatorŠamaj, L.
dc.date2001-01-04
dc.date.accessioned2026-07-07T02:39:56Z
dc.date.available2026-07-07T02:39:56Z
dc.descriptionThe model under consideration is a semi-infinite two-dimensional two-component plasma (Coulomb gas), stable against bulk collapse for the dimensionless coupling constant $β<2$, in contact with a dielectric wall of dielectric constant $=0$. The model is mapped onto an integrable sine-Gordon theory with a ``free'' Neumann boundary condition. Using recent results on a reflection relationship between the boundary Liouville and sine-Gordon theories, an explicit expression is derived for the surface tension at a rectilinear dielectric -- Coulomb gas interface. This expression reproduces the Debye-Hückel $β\to 0$ limit and the exact result at the bulk collapse border, the free-fermion point $β=2$, where the surface tension keeps a finite value. The surface collapse, identified with the divergence of the surface tension, occurs at $β=3$.
dc.description17 pages, Latex
dc.identifierhttps://arxiv.org/abs/cond-mat/0101044
dc.identifierhttp://arxiv.org/abs/cond-mat/0101044
dc.identifierJ.Statist.Phys. 103 (2001) 737-752
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/17217
dc.subjectStatistical Mechanics
dc.subjectHigh Energy Physics - Theory
dc.titleSurface Tension of an Ideal Dielectric - Electrolyte Boundary: Exactly Solvable Model
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