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Related Experiment Videos

Teleportation with a uniformly accelerated partner.

Paul M Alsing1, G J Milburn

  • 1High Performance Computing at the University of New Mexico, and Center for Advanced Studies, Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM 87131, USA. alsing@hpc.unm.edu

Physical Review Letters
|November 13, 2003
PubMed
Summary

Quantum teleportation fidelity decreases for an accelerating observer due to Davies-Unruh radiation. This suggests quantum entanglement degrades in non-inertial frames, impacting quantum information transfer.

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Area of Science:

  • Quantum physics
  • Quantum information science

Background:

  • Quantum teleportation enables the transfer of quantum states.
  • Quantum entanglement is a key resource for quantum teleportation.
  • Non-inertial frames introduce relativistic effects that can impact quantum phenomena.

Purpose of the Study:

  • To analyze quantum teleportation between an inertial and a uniformly accelerating frame.
  • To investigate the effect of Davies-Unruh radiation on teleportation fidelity.
  • To determine if quantum entanglement is degraded in non-inertial frames.

Main Methods:

  • Theoretical analysis of quantum teleportation protocols.
  • Inclusion of Davies-Unruh radiation effects in the accelerating frame.
  • Calculation of teleportation fidelity under acceleration.

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Main Results:

  • Teleportation fidelity is reduced in the accelerating frame.
  • Davies-Unruh radiation is identified as the cause of fidelity loss.
  • The degree of entanglement is shown to decrease with acceleration.

Conclusions:

  • Quantum entanglement is degraded in non-inertial frames.
  • Davies-Unruh radiation poses a challenge for quantum information transfer in accelerating systems.
  • The findings have implications for quantum communication in relativistic scenarios.