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Pré-Publication, Document De Travail Année : 2021

Universal Casimir interaction between two dielectric spheres in salted water

Résumé

We study the Casimir interaction between two dielectric spheres immersed in a salted solution at distances larger than the Debye screening length. The long distance behavior is dominated by the non-screened interaction due to low-frequency transverse magnetic thermal fluctuations. It shows universality properties in its dependence on geometric dimensions and independence of dielectric functions of the particles, with these properties related to approximate conformal invariance.

Dates et versions

hal-03485528 , version 1 (17-12-2021)

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Tanja Schoger, Benjamin Spreng, Gert-Ludwig Ingold, Paulo A. Maia Neto, Serge Reynaud. Universal Casimir interaction between two dielectric spheres in salted water. 2021. ⟨hal-03485528⟩
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