Tunneling Confronts Special Relativity

@article{Nimtz2013TunnelingCS,
  title={Tunneling Confronts Special Relativity},
  author={G{\"u}nter Nimtz},
  journal={Foundations of Physics},
  year={2013},
  volume={41},
  pages={1193-1199}
}
  • G. Nimtz
  • Published 20 March 2010
  • Physics
  • Foundations of Physics
Experiments with evanescent modes and tunneling particles have shown that (i) their signal velocity may be faster than light, (ii) they are described by virtual particles, (iii) they are nonlocal and act at a distance, (iv) experimental tunneling data of phonons, photons, and electrons display a universal scattering time at the tunneling barrier front, and (v) the properties of evanescent, i.e. tunneling modes are not compatible with the special theory of relativity. 

Zero time tunneling: macroscopic experiments with virtual particles

Feynman introduced virtual particles in his diagrams as intermediate states of an interaction process. They represent necessary intermediate states between observable real states. Such virtual

The energy transfer velocity by a plane monochromaticelectromagnetic wave through a layer of matter

Stationary problems for the diffraction (tunneling) of a plane electromagnetic wave through a layer of matter with dielectric properties, as well as a quantum particle tunneling through a rectangular

The Superluminal Tunneling Story

Since 1992 experimental evidence of superluminal (faster than light, FTL) signals are causing much excitement in the physical community and in the media. Superluminal signal velocity and zero time

The Wigner time delay for laser induced tunnel-ionization via the electron propagator

Recent attoclock experiments using the attsecond angular streaking technique enabled the measurement of the tunneling time delay during laser induced strong field ionization. Theoretically the

Fowler-nordheim tunneling induced charge transfer plasmons between nearly touching nanoparticles

An alternative tunneling process is considered, that is, the well-known Fowler-Nordheim (FN) tunneling that occurs at high electric fields, and this new approach relaxes the requirements on gap dimensions, and intuitively suggests that with a sufficiently high-intensity irradiation, the CTP can be excited via FN tunneling for a range of subnanometer gaps.

Superluminality and Finite Potential Light-Barrier Crossing

Superluminal movements are subject of discussion since many decades. The present work investigates how an electrical charged real matter particle can traverse the energy barrier at the speed of light

Explanation of Superluminal Phenomena Based on Wave-Particle Duality and Proposed Optical Experiments

We suggest an explanation for superluminal phenomena based on wave-particle duality of photons. A single photon may be regarded as a wave packet, whose spatial extension is its coherence volume. As

Speed and time of electromagnetic energy transfer in cases of band gap and resonant tunneling

The problems of passing and tunneling a plane electromagnetic wave through a dielectric layer and two dielectric layers separated by a vacuum gap are considered. It is shown that there are no

References

SHOWING 1-10 OF 45 REFERENCES

Evanescent-mode propagation and quantum tunneling.

  • EndersNimtz
  • Physics
    Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics
  • 1993
Experimental data of an electromagnetic wave packet traversing an evanescent waveguide region with theoretical values derived for particle tunneling through a rectangular potential barrier are compared and reveal superluminal wave-packet velocities for opaqueevanescent regions.

On Virtual Phonons, Photons, and Electrons

A macroscopic realization of the peculiar virtual particles is presented. The classical Helmholtz and the Schrödinger equations are differential equations of the same mathematical structure. The

Measurement of superluminal optical tunneling times in double-barrier photonic band gaps.

Tunneling of optical pulses at 1.5 microm wavelength through double-barrier periodic fiber Bragg gratings is experimentally investigated and provides experimental evidence of the analogous phenomenon in quantum mechanics of nonresonant superluminal tunneling of particles across two successive potential barriers.

Evanescent modes are virtual photons

Former QED-based studies of evanescent modes identified these with virtual photons. Recent experimental studies confirmed the resulting predictions about non-locality, non-observability, violation of

Propagation speed of evanescent modes

By computer simulations based on Maxwell equations only, the actual possibility of superluminal group velocities is verified, without violating the so-called (naive) Einstein causality.

Universal photonic tunneling time.

  • S. Esposito
  • Physics
    Physical review. E, Statistical, nonlinear, and soft matter physics
  • 2001
This work considers photonic tunneling through evanescent regions and obtains general analytic expressions for the transit (phase) time tau in order to study the recently proposed "universality" property according to which tau is given by the reciprocal of the photon frequency.

Photonic tunneling times

We report on resonant and non-resonant photonic tunneling experiments. Resonant tunneling of wave packets has revealed a light localization, whereas the non-resonant barrier tunneling has

Do Evanescent Modes Violate Relativistic Causality

Experiments have demonstrated that evanescent modes (photonic tunneling) violate the relativistic causality. Detectors made click receiving a tunneled signal in advance to receiving the vacuum