Tuesday, July 13, 2010
In one of my recent blogs, I said something on possible enhancement of photon-photon interactions. I suggested two basic elements: (1)BEC and (2) small polarization energy. An easy calculation has been just done to verify the idea. Here is a GoogleTech Talk also going under the name of photon-photon interactions, which lays their emphasis on frequency change, rather than momentum change as in my considerations, after effective interactions.
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Although this talk is not that bad, I really don't like his comparing chair to an atom in generating p-p correlations. Because these two mechanisms are quite different. The comparison is ill-posed.
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