Submitted:
03 February 2021
Posted:
04 February 2021
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Abstract
A new picture of the Josephson effect is devised. The radio-frequency (RF) signal, observed in a Josephson junction, is shown to stem from bound electrons, tunneling periodically through the insulating film. This holds also for the microwave mediated tunneling. The Josephson effect is found to be conditioned by the same prerequisite worked out previously for persistent currents, thermal equilibrium and occurence of superconductivity. The observed negative resistance behaviour is shown to originate from the interplay between the normal and superconducting currents.
Keywords:
Josephson effect
; transport properties
; critical current
; tunnelling
; superconducting-normal transition
; negative resistance
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