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arXiv:physics/9907005

Quantum superluminal communication must exist

Shan, Gao

Published Jul 2, 1999• 4 citations
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Abstract

We show that the quantum superluminal communication based on the quantum nonlocal influence must exist if a basic principle of science is still valid, which states that if we have demonstrated the existence of something real, we can confirm its existence.
DOI
10.48550/arxiv.physics/9907005

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Based upon quantum entanglement, a simple algorithm for instantaneous transmission of messages (chosen at random) to remote distances is proposed. A special class of situations when such transmissions are useful, is outlined. Quantum nonlocality arising from entasgled states is the most fundamental and the most mysterious phenomenon in quantum mechanics, and it is in the core of quantum information theory. Fomally quantum nonlocality follows from the SchrMinger equation; however, its physical meaning is still unclear despite successful experimental confirmation,"] and applications to teleportation, cryptography and computing[21. The most attractive aspect of quantum nonlocality is associated with instantaneous transmissions of messages. However, practical applications of this effect are restricted by the postulate adopted by many authors[31 that these messages cannot deliver any information. That is why all the quantum teleportation algorithms must include an adltional (classical) channel.[21. Returning to this postulate, we would like to emphasize that it is implied that the
The local hidden variable assumption was repeatedly proved unable to explain results of experiments in which contextuality is involved. Then, the correlated results of measurements of entangled particles, began to be attributed to a communication between particles through so-called signals. These signals need to possess superluminal velocity or move backward in time. No object that has a rest-mass, not even the photons whose rest mass is zero, behave this way. Still, as the nature of the presumed sinals is not known, people don't reject the idea, despite the conflict with the theory of relativity. For this reason, the present article examines the signals from another point of view: wherever runs a communication, there has also to exist a communication protocol. The article tries to outline a communication protocol between the space-separated, entangled particles, and comes to a contradiction, making the idea of such a communication highly doubtable.