Casimir energy for two and three superconducting coupled cavities: Numerical calculations

Year: 2017

Authors: Rosa L., Avino S., Calloni E., Caprara S., De Laurentis M., De Rosa R., Esposito G., Grilli M.,
Majorana E., Pepe G.P., Petrarca S., Puppo P., Rapagnani P., Ricci F., Rovelli C., Ruggi P., Saini N.L., Stornaiolo C., Tafuri F.

Autors Affiliation: Univ Napoli Federico II, Dipartimento Fis Ettore Pancini, Complesso Univ Monte S Angelo, I-80126 Naples, Italy; Ist Nazl Fis Nucl, Sez Napoli, Complesso Univ Monte S Angelo, I-80126 Naples, Italy; CNR, INO, Via Campi Flegrei 34, I-80078 Pozzuoli, NA, Italy; Univ Roma La Sapienza, Ple A Moro 2, I-00185 Rome, Italy; Univ Roma La Sapienza, CNR, ISC, Ple A Moro 2, I-00185 Rome, Italy; Univ Roma La Sapienza, CNISM, Ple A Moro 2, I-00185 Rome, Italy; Ist Nazl Fis Nucl, Sez Roma, Ple A Moro 2, I-00185 Rome, Italy; Univ Napoli Federico II, Dipartimento Fis Ettore Pancini, Piazzale Tecchio 80, I-80126 Naples, Italy; Aix Marseille Univ, CNRS, CPT, UMR 7332, F-13288 Marseille, France; Univ Toulon & Var, CNRS, CPT, UMR 7332, F-83957 La Garde, France; EGO, I-56021 Cascina, Pi, Italy.

Abstract: In this paper we study the behavior of the Casimir energy of a “multi-cavity” across the transition from the metallic to the superconducting phase of the constituting plates. Our analysis is carried out in the framework of the ARCHIMEDES experiment, aiming at measuring the interaction of the electromagnetic vacuum energy with a gravitational field. For this purpose it is foreseen to modulate the Casimir energy of a layered structure composing a multy-cavity coupled system by inducing a transition from the metallic to the superconducting phase. This implies a thorough study of the behavior of the cavity, in which normal metallic layers are alternated with superconducting layers, across the transition. Our study finds that, because of the coupling between the cavities, mainly mediated by the transverse magnetic modes of the radiation field, the variation of energy across the transition can be very large.

Journal/Review: EUROPEAN PHYSICAL JOURNAL PLUS

Volume: 132 (11)      Pages from: 478  to: 478

KeyWords: Casimir energy; point separation
DOI: 10.1140/epjp/i2017-11750-y

Citations: 4
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