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quant-ph2008
Comment on "Direct space-time observation of pulse tunneling in an electromagnetic band gap"
G. Nimtz, A. A. Stahlhofen
The investigation presented by Doiron, Hache, and Winful [Phys. Rev. A 76, 023823 (2007)] is not valid for the tunneling process as claimed in the paper.
quant-ph2007
Comment on: Direct space-time observation of pulse tunneling in an electromagnetic band gap, S.Doiron,A.Hache,H.Winful
G. Nimtz, A. A. Stahlhofen
The title of this article is misleading. The authors have investigated a resonator but not a tunneling barrier see also Refs.\cite{Winful2} The measured superluminal group velocity…
quant-ph2007★ 19 cited
Macroscopic violation of special relativity
G. Nimtz, A. A. Stahlhofen
Feynman one of the founders of Quantum Electronic Dynamics (QED) introduced in his diagrams virtual particles as intermediate states of an interaction process. Such virtual particl…