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Entangling moving cavities in noninertial frames.

T G Downes1, I Fuentes, T C Ralph

  • 1Centre for Quantum Computer Technology, Department of Physics, The University of Queensland, Brisbane 4072 Australia. downes@physics.uq.edu.au

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Summary
This summary is machine-generated.

Researchers propose a novel scheme for storing quantum entanglement in moving cavities. This method protects quantum information for observers in arbitrary motion, unlike previous findings.

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Area of Science:

  • Quantum Information Science
  • Relativistic Quantum Information
  • Quantum Field Theory

Background:

  • Distributing and storing quantum entanglement between parties in arbitrary motion remains an open challenge.
  • Previous studies indicated entanglement degradation for observers undergoing uniform acceleration.

Purpose of the Study:

  • To propose and analyze a scheme for storing quantum information in field modes of moving cavities.
  • To investigate the protection of quantum information for observers in arbitrary motion.
  • To develop a method for establishing entanglement between cavities.

Main Methods:

  • Utilizing a quantum field theoretical framework to analyze the proposed scheme.
  • Examining the behavior of quantum information in cavities moving in flat spacetime.
  • Developing a protocol for creating entangled states between cavities.

Main Results:

  • The proposed scheme demonstrates the protection of quantum information for observers in arbitrary motion.
  • Contrary to previous findings, entanglement is not degraded under uniform acceleration in this framework.
  • A method for establishing entanglement is presented, showing the possibility of creating maximally entangled states.

Conclusions:

  • Quantum information can be effectively stored and protected in moving cavities, even for observers in arbitrary motion.
  • The findings challenge previous assumptions about entanglement degradation in accelerating reference frames.
  • It is theoretically possible to generate maximally entangled states between such cavities, advancing relativistic quantum information protocols.