Confinement-Induced Nonlocality and Casimir Force in Transdimensional Systems Auteur(s): Bondarev Igor V, Pugh Michael D, Rodriguez-Lopez Pablo, Woods Lilia M, Antezza M. (Article) Publié: -Phys.chem.chem.phys., vol. 25 p.29257-29265 (2023) Texte intégral en Openaccess : Ref HAL: hal-04174566_v1 Ref Arxiv: 2307.06452 Ref INSPIRE: 2676657 DOI: 10.1039/D3CP03706A Ref. & Cit.: NASA ADS Exporter : BibTex | endNote Résumé: We study within the framework of the Lifshitz theory the long-range Casimir force for in-plane isotropic and anisotropic free-standing transdimensional material slabs. In the former case, we show that the confinement-induced nonlocality not only weakens the attraction of ultrathin slabs but also changes the distance dependence of the material-dependent correction to the Casimir force to go as $\sim\!1/\!\sqrt{l}$ contrary to the $\sim\!1/l$ dependence of that of the local Lifshitz force. In the latter case, we use closely packed array of parallel aligned single-wall carbon nanotubes in a dielectric layer of finite thickness to demonstrate strong orientational anisotropy and crossover behavior for the inter-slab attractive force in addition to its reduction with decreasing slab thickness. We give physical insight as to why such a pair of ultrathin slabs prefers to stick together in the perpendicularly oriented manner, rather than in the parallel relative orientation as one would customarily expect. |