q-deformed dynamics and Josephson junction
Abstract
We define a generalized rate equation for an observable in quantum mechanics, that involves a parameter q and whose limit q 1 gives the standard Heisenberg equation. The generalized rate equation is used to study dynamics of current biased Josephson junction. It is observed that this toy model incorporates diffraction like effects in the critical current. Physical interpretation for q is provided which is also shown to be q-deformation parameter.
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