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Finite-size effects in film geometry with nonperiodic boundary conditions: Gaussian model and renormalization-group
1Institute for Theoretical Physics, RWTH Aachen University, 52056 Aachen, Germany. bkastening@matgeo.tu-darmstadt.de
Abstract:
Finite-size effects are investigated in the Gaussian model with isotropic and anisotropic short-range interactions in film geometry with nonperiodic boundary conditions (bc) above, at, and below the bulk critical temperature Tc. We have obtained exact results for the free energy and the Casimir force for antiperiodic, Neumann, Dirichlet, and Neumann-Dirichlet mixed bc in 1
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