Diagrammatic perturbation approach to finite-size and surface critical behavior for Dirichlet boundary conditions |
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| Authors: | V. Dohm |
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| Affiliation: | (1) Institute for Physical Science and Technology, University of Maryland, College Park, Maryland, USA;(2) Present address: Institut für Theoretische Physik, Technische Hochschule Aachen, D-5100 Aachen, FRG |
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| Abstract: | A recent field-theoretic treatment of finite-size effects in the presence of Dirichlet boundary conditions is developed further. A simplified perturbation approach is introduced that makes higher orders amenable to diagrammatic evaluation. As an illustration the surface energy and surface specific heat are calculated up to two-loop order. Further suggestions of future research are discussed. |
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