[Submitted on 22 Feb 2026 ( v1 ), last revised 19 Oct 2026 (this version, v2)] Title:Casimir-Polder energy landscape: Unipolarizable atom and ring View a PDF of the paper titled Casimir-Polder energy landscape: Unipolarizable atom and ring, by Niranjan Warnakulasooriya and 3 other authors View PDF HTML (experimental) Abstract:The Casimir-Polder interaction energy between a unipolarizable point atom and a unipolarizable dielectric ring has been limited, until now, to the case when the atom is...