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| Content Provider | Springer Nature Link |
|---|---|
| Author | Torres, Aldemar Téllez, Gabriel |
| Copyright Year | 2005 |
| Abstract | We study the statistical mechanics of classical Coulomb systems in a low coupling regime (Debye--Hückel regime) in a confined geometry with Dirichlet boundary conditions for the electric potential. We use a method recently developed by the authors which relates the grand partition function of a Coulomb system in a confined geometry with a certain regularization of the determinant of the Laplacian on that geometry with Dirichlet boundary conditions. We study several examples of fully confining geometry in two and three dimensions and semi-confined geometries where the system is confined only in one or two directions of the space. We also generalize the method to study systems confined in arbitrary geometries with smooth boundary. We find a relation between the expansion for small argument of the heat kernel of the Laplacian and the large-size expansion of the grand potential of the Coulomb system. This allow us to find the finite-size expansion of the grand potential of the system in general. We recover known results for the bulk grand potential (in two and three dimensions) and the surface tension (for two-dimensional systems). We find the surface tension for three-dimensional systems. For two-dimensional systems our general calculation of the finite-size expansion gives a proof of the existence a universal logarithmic finite-size correction predicted some time ago, at least in the low coupling regime. For three-dimensional systems we obtain a prediction for the curvature correction to the grand potential of a confined system. |
| Starting Page | 735 |
| Ending Page | 765 |
| Page Count | 31 |
| File Format | |
| ISSN | 00224715 |
| Journal | Journal of Statistical Physics |
| Volume Number | 118 |
| Issue Number | 3-4 |
| e-ISSN | 15729613 |
| Language | English |
| Publisher | Kluwer Academic Publishers-Plenum Publishers |
| Publisher Date | 2005-01-01 |
| Publisher Place | New York |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Confined coulomb systems Debye--H\”uckel theory Dirichlet boundary conditions Physical Chemistry Quantum Physics Mathematical and Computational Physics Statistical Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Statistical and Nonlinear Physics Mathematical Physics |
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