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The Quantum MatrixHenry Bar's Perilous Struggle for Quantum Coherence$
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Gershon Kurizki and Goren Gordon

Print publication date: 2020

Print ISBN-13: 9780198787464

Published to Oxford Scholarship Online: July 2020

DOI: 10.1093/oso/9780198787464.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 20 January 2022

What is Quantum Teleportation?

What is Quantum Teleportation?

Chapter:
(p.242) 14 What is Quantum Teleportation?
Source:
The Quantum Matrix
Author(s):

Gershon Kurizki

Goren Gordon

Publisher:
Oxford University Press
DOI:10.1093/oso/9780198787464.003.0014

Eve (E) entangles herself to Schred (S) before taking off to a conference. There she barely escapes an assault, and calls Henry. Is he too far away to help? Henry (H) resorts to quantum teleportation: a split-second later, H and E, aided by S, have traded places despite being thousands of miles apart! Schematically, the unknown state of H is teleported to E upon measuring the entangled state of E and S and communicating the result to E, who then trades states with H. Since the measured result is communicated at the speed of light, there is no faster-than-light signaling involved. In the distant future, space travel may be partly replaced by large-scale teleportation. Teleportation has intriguing philosophical implications, as it separates the object essence, its quantum information, from its non-essential material substance. The appendix to this chapter presents a quantum teleportation protocol that involves qubits.

Keywords:   quantum teleportation, quantum cryptography, non-local correlations, signaling, space teleportation, Aristotelian form and matter, transmutation

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