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Related Experiment Videos

Classical teleportation of a quantum Bit

Cerf1, Gisin, Massar

  • 1Ecole Polytechnique, CP 165, Universite Libre de Bruxelles, 1050 Brussels, Belgium.

Physical Review Letters
|October 6, 2000
PubMed
Summary

Classical teleportation requires transmitting only a few classical bits, specifically 2.19 bits on average for a qubit, when local hidden variables are shared between sender and receiver.

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Area of Science:

  • Quantum Information Science
  • Quantum Communication Protocols

Background:

  • Classical teleportation involves a sender with a quantum state description and a receiver simulating measurements.
  • Shared local hidden variables can facilitate classical teleportation.

Purpose of the Study:

  • To determine the minimum classical communication cost for classical teleportation.
  • To analyze the efficiency of classical teleportation protocols.

Main Methods:

  • Investigating classical teleportation scenarios with shared local hidden variables.
  • Calculating communication complexity for qubit teleportation using von Neumann measurements.

Main Results:

  • Classical teleportation is achievable with limited classical bit transmission.
  • An average of 2.19 bits is sufficient for classical teleportation of a qubit under von Neumann measurements.
  • The framework is extendable to positive-operator-valued measurements.

Conclusions:

  • Efficient classical teleportation is possible by leveraging pre-shared correlations.
  • The study quantifies the classical communication overhead for quantum state simulation.

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