Influence of surface electronic structure on the Casimir force (CROSBI ID 173662)
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Podaci o odgovornosti
Marušić, Leonardo ; Despoja, Vito ; Šunjić, Marijan
engleski
Influence of surface electronic structure on the Casimir force
Recent nonlocal microscopic theory of Casimir force which expresses the interaction energy between two metallic slabs in terms of surface polariton propagators calculated from diamagnetic and paramagnetic current–current response functions, sensitive to details of the surface electron density profiles and single-particle excitations on the surfaces, is used here to calculate various contributions to the Casimir energies for a silver film described by two different models. Current–current response functions are constructed from energy levels and wave functions obtained in two different models: jellium and Chulkov one-dimensional model potential, and the results are compared with the local plasmon model results. The results show how the details of such surface electronic structure modify Casimir force.
Casimir force; Plasmon polaritons; Surface states
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