How quantum tunneling broke the light speed barrier:

Photonic Tunneling proceeds faster than Light


G. Nimtz1*, A. A. Stahlhofen2

1II. Physikalisches Institut, Universit?t zu K?ln and Institut für Naturwissenschaften, Physik,

Universit?t Koblenz

2 Institut für Angewandte Naturwissenschaften, Universit?t Koblenz

* Corresponding author. E-mail:

Received : 02 January 2008; revised version accepted:15 January 2008



     Photonic tunneling experiments have shown that i) the Einstein energy relation is vio­lated, ii) the tunneling process is non-local, iii) the signal velocity is faster than light, i.e. superlu-minal, iv) the tunneling signal is not observable, since photonic tunneling is described by virtual photons, and v) according to the experimental results the signal velocity is infinite inside the bar­riers, implying that tunneling instantaneously acts at a distance. We think these properties are not compatible with the claims of many text books on Special Relativity, see for instance Refs.[1].


Keywords: Superluminal signal velocity; Action at a distance.

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