Gauge transformation can be written as:(adsbygoogle = window.adsbygoogle || []).push({});

##\psi(\vec{r},t)\rightarrow e^{-i \frac{e}{\hbar c}f(\vec{r},t)}\psi(\vec{r},t)##

http://quantummechanics.ucsd.edu/ph130a/130_notes/node296.html

Does it have any sense that we choose such function ##f##, that all right side is constant in time. Is this possible at least approximately?

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# Gauge transformation which counteract wave function

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