Josephson AC effect induced by weak gravitational field
Giovanni Alberto UmmarinoNational Research Nuclear University MEPhI, Kashirskoe hwy 31, 115409 Moscow, RussiaAntonio GalleratiIstituto Nazionale di Fisica Nucleare, Sezione di Torino, via Pietro Giuria 1, 10125 Torino, Italy
2020en
ABI
Abstract
Abstract In this paper we examine the possibility of a Josephson AC effect between two superconductors induced by the Earth’s gravitational field, making use of the gravito-Maxwell formalism. The theoretical framework exploits the symmetry between the weak field expansion of the gravitational field and the standard Maxwell formulation, combined with the Josephson junction physics. We also suggest a suitable experimental setup, analysing also the related possible difficulties in measurements.
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Cited by 20 references
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