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  1. J

    Wavefunction of a single particle

    Because in a CRT, there is no diffraction taking place. The narrowness of the slit through which the electrons pass through determines the wideness of the diffraction pattern. If the slit were very narrow, the electrons would leave a very wide diffraction pattern. The slit itself is what...
  2. J

    Questions concerning Delayed Quantum Eraser

    Ah, I read the paper, and the Glan-Thompson prism is actually just there to separate the entangled photons exiting the BBO. The BBO creates entagled photons with different polarizations (but not in different directions), and then the Glan-Thompson prism directs the two entangled photons in...
  3. J

    Questions concerning Delayed Quantum Eraser

    No, that text you are quoting is referring to the prism PS, not the Glan-Thompson prism. The Glan-Thompson prism somehow affects polarization, and I'm trying to figure out why it's necessary (it's not mentioned in the wikipedia description). Yes, but the light is coherent to begin with! The...
  4. J

    Questions concerning Delayed Quantum Eraser

    Wait a second, how can this be true? After "PS", the "red" photons and "blue" photons are traveling on entirely different paths. Detectors D3 and D4 could only possibly detect photons that traveled through the "blue" and "red" slits, respectively. I don't see where the phase information...
  5. J

    Questions concerning Delayed Quantum Eraser

    After reading about the http://en.wikipedia.org/wiki/Delayed_choice_quantum_eraser" [Broken] experiment, I thought of two interesting questions. Here I have taken http://en.wikipedia.org/wiki/File:Kim_EtAl_Quantum_Eraser.svg" [Broken] and simplified it: In the normal delayed choice quantum...
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