- #1
San K
- 911
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In the below experiment the eraser is in the path of p-photon before s is detected.
Then s is detected and then p photon encounters the polarizer and then Dp.
If we were to insert the polarizer after s is detected, would the pattern/results change? relative to just keeping the polarizer in the path all the time...as in the experiment below
Then s is detected and then p photon encounters the polarizer and then Dp.
If we were to insert the polarizer after s is detected, would the pattern/results change? relative to just keeping the polarizer in the path all the time...as in the experiment below
Please see the link and the section referred to below:
http://grad.physics.sunysb.edu/~amarch/ Next the erasure measurement is performed. Before photon p can encounter the polarizer, s will be detected. Yet it is found that the interference pattern is still restored. It seems photon s knows the "which-way" marker has been erased and that the interference behavior should be present again, without a secret signal from photon p.
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