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Josephson phase

In superconductivity, the Josephson phase is the difference of the phases of the quantum mechanical wave function in two superconducting electrodes forming a Josephson junction.

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For example, if the macroscopic wave functions $Ψ 1$ and $Ψ 2$ in superconductors 1 and 2 are given by

$\Psi_1 = \sqrt{n_s} e^{i\theta_1}$ $\Psi_2 = \sqrt{n_s} e^{i\theta_2}$

then the Josephson phase is $\phi\ \stackrel{\mathrm{def}}{=}\ \theta_2-\theta_1$ .

Categories: Superconductivity | Josephson effect

This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Josephson_phase". A list of authors is available in Wikipedia.

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