PHYS212 : Reading Assignments

Reading for 4/28

EPR and Bell's Theorem

``Is the moon there when nobody looks? Reality and the quantum theory,'' N. David Mermin, Physics Today, April 1895, 38 (1985).

Reading Questions

  1. Consider the apparatus described in Mermin's paper, and imagine that we have placed the first detector a little closer to the source than the second detector, so that it always detects the first photon of each entangled pair. Explain why we can't use the switch on detector 1 to transmit messages to detector 2.

  2. Share any specific questions about the Mermin article you would like us to address in class on 4/28.


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