On a proposal of superluminal communication

@article{Ghirardi2012OnAP,
  title={On a proposal of superluminal communication},
  author={Giancarlo Ghirardi and Raffaele Romano},
  journal={Journal of Physics A},
  year={2012},
  volume={45},
  pages={232001}
}
Recently, various new proposals of superluminal transmission of information have been suggested in the literature. Since the proposals make systematic use of recent formal and practical improvements in quantum mechanics, the old theorems proving the impossibility of such a performance must be adapted to the new scenario. In this communication, we consider some of the most challenging proposals of this kind and we show why they cannot work. 

Figures from this paper

Comments on a recent proposal of superluminal communication
The first step which must be done is to summarize the content of refs.[1, 2]. In them, the author considers an experiments which should lead to faster than light communication between far away
A proposal for a feasible quantum-optical experiment to test the validity of the No-Signaling Theorem
Motivated by a proposal from Greenberger [Physica Scripta T76, p.57 (1998) ] for superluminal signaling, and inspired by an experiment from Zou, Wang, and Mandel [Phys. Rev. Lett. 67, p.318 (1991) ]
Entanglement, Nonlocality, Superluminal Signaling and Cloning
The paper is a Chapter of a book. In it an exhaustive review of the proposals to send faster than light signals resorting to quantum nonlocality and the reduction process is presented, together with
Provisional chapter Entanglement , Nonlocality , Superluminal Signaling and Cloning
Entanglement has been considered by E. Schrödinger [1] as: The most characteristic trait of Quantum Mechanics, the one which enforces its entire departure from classical lines of thought. Actually,
Relating quantum incoherence, entanglement and superluminal signalling
Hereby we inspect two-partite entanglement using thought experiment that relates properties of incoherently mixed states to the impossibility of faster-than-light (FTL) signalling. We show that if
Production of tachyonic neutrino in matter
Recently, a new theory based on superluminal tunnelling has been proposed to explain the transition of highly energetic neutrinos propagating in matter to tachyonic states. In this work, we determine
Extended Linear and Nonlinear Lorentz Transformations and Superluminality
Two broad scenarios for extended linear Lorentz transformations (ELTs) are modeled in Section 2 for mixing subluminal and superluminal sectors resulting in standard or deformed energy-momentum
Searching for Interstellar Quantum Communications
  • M. Hippke
  • Physics
    The Astronomical Journal
  • 2021
The modern search for extraterrestrial intelligence began with the seminal publications of Cocconi & Morrison and Schwartz & Townes, who proposed searching for narrowband signals in the radio

References

SHOWING 1-4 OF 4 REFERENCES
A proposal for a feasible quantum-optical experiment to test the validity of the No-Signaling Theorem
Motivated by a proposal from Greenberger [Physica Scripta T76, p.57 (1998) ] for superluminal signaling, and inspired by an experiment from Zou, Wang, and Mandel [Phys. Rev. Lett. 67, p.318 (1991) ]
Matter Density and Relativistic Models of Wave Function Collapse
Mathematical models for the stochastic evolution of wave functions that combine the unitary evolution according to the Schrödinger equation and the collapse postulate of quantum theory are well
Fundamental Notions of Quantum Theory
  • 1983
Found
  • C. Ross
  • Medicine
    The Dental register
  • 1869