Quantum Physics

    

Comment on "Experimental Evidence that a Photon Can Spend a Negative Amount of Time in an Atom Cloud"

Authors: Vladimir Kuz'menko

Several interesting publications have appeared in the literature on the so-called "negative time" or "negative group delay" in experiments on the interaction of photons with cold atoms [1 - 6]. The physical meaning of this phenomenon is unclear. Such a physical explanation is proposed here and simple experiments for its further study are discussed.

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[v1] 2026-04-28 13:49:16

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