Casimir energy for N superconducting cavities: a model for the YBCO (GdBCO) sample to be used in the Archimedes experiment
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Published:2022-07
Issue:7
Volume:137
Page:
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ISSN:2190-5444
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Container-title:The European Physical Journal Plus
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language:en
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Short-container-title:Eur. Phys. J. Plus
Author:
Allocca Annalisa, Avino Saverio, Balestrieri Sergio, Calloni Enrico, Caprara Sergio, Carpinelli Massimo, D’Onofrio Luca, D’Urso Domenico, De Rosa Rosario, Errico Luciano, Gagliardi Gianluca, Grilli Marco, Mangano Valentina, Marsella Maria, Naticchioni Luca, Pasqualetti Antonio, Pepe Giovanni Piero, Perciballi Maurizio, Pesenti Luca, Puppo Paola, Rapagnani Piero, Ricci Fulvio, Rosa LuigiORCID, Rovelli Carlo, Rozza Davide, Ruggi Paolo, Saini Naurang, Sequino Valeria, Sipala Valeria, Stornaiuolo Daniela, Tafuri Francesco, Tagliacozzo Arturo, Tosta e Melo Iara, Trozzo Lucia
Abstract
AbstractIn this paper we study the Casimir energy of a sample made by N cavities, with $$N\gg 1$$
N
≫
1
, across the transition from the metallic to the superconducting phase of the constituting plates. After having characterised the energy for the configuration in which the layers constituting the cavities are made by dielectric and for the configuration in which the layers are made by plasma sheets, we concentrate our analysis on the latter. It represents the final step towards the macroscopical characterisation of a “multi-cavity” (with N large) necessary to fully understand the behaviour of the Casimir energy of a YBCO (or a GdBCO) sample across the transition. Our analysis is especially useful to the Archimedes experiment, aimed at measuring the interaction of the electromagnetic vacuum energy with a gravitational field. To this purpose, we aim at modulating the Casimir energy of a layered structure, the multi-cavity, by inducing a transition from the metallic to the superconducting phase. After having characterised the Casimir energy of such a structure for both the metallic and the superconducting phase, we give an estimate of the modulation of the energy across the transition.
Funder
Università degli Studi di Napoli Federico II
Publisher
Springer Science and Business Media LLC
Subject
General Physics and Astronomy,Fluid Flow and Transfer Processes
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