A Josephson junction (JJ) is a quantum mechanical device which is made of two superconducting electrodes separated by a barrier (thin insulating tunnel barrier, normal metal, semiconductor, ferromagnet, etc.). A π Josephson junction is a Josephson junction in which the Josephson phase φ equals π in the ground state, i.e.
A Josephson junction (JJ) is a quantum mechanical device which is made of two superconducting electrodes separated by a barrier (thin insulating tunnel barrier, normal metal, semiconductor, ferromagnet, etc.). A π Josephson junction is a Josephson junction in which the Josephson phase φ equals π in the ground state, i.e.
Source: Wikipedia "Pi Josephson junction" · CC BY-SA 4.0
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