|MadSci Network: Physics|
I cannot give you the alternative explanation, but I found some references that may be helpful. One of the authors was Wally Lamb from Yale. Lamb, W.E., Jr. & Scully, M.O., 1969 The photoelectric effect without photons, in: Polarisation matière et rayonnement, Presses Univ Fr (Paris), 363-369. Or another source suggests: W. Lamb, M. Scully and L. Mandel(Progress in Optics vol.13) This source is not available to me. David Winsemius.
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