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Why is there a π phase shift in Fig.4 compare to R01 shown in Fig.3?

Physics Asked by William8964 on October 30, 2020

About Kim ‘s delayed choice quantum eraser experiment.

fig.3 to 5

the whole setup

Is it possible to adjust the phase of interference fringes from $D_1$ and $D_2$ by adjusting the distance of $D_0$ screen?… Shouldn’t they be in the same phase? Why is there a $π$ phase shift?
Is it possible to adjust the phase of them and make them form into a same interference fringe?

One Answer

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I just find out the Kim 's paper have already explained this question as a key point ,sort of . ? I don't know the physics and math expression in the paper , but I guess because The internal law of physics and mathematics universe make sure that we can't see the wave or particle at the same time ,namely ,make sure the Complementation principle works .

Answered by William8964 on October 30, 2020

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