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Quantum Delocalized Interactions.

A J Paige1, Hyukjoon Kwon1, Selwyn Simsek1

  • 1QOLS, Blackett Laboratory, Imperial College London, South Kensington, London, SW7 2AZ, United Kingdom.

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|January 7, 2021
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Summary
This summary is machine-generated.

Quantum entanglement enables delocalized interactions, defying classical physics. This study uses quantum games to quantify this non-classical effect, linking it to quantum concurrence and teleportation.

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Area of Science:

  • Quantum Physics
  • Quantum Information Science

Background:

  • Classical mechanics posits events occur at definite spatial points.
  • Quantum entanglement allows interactions without specific locations, challenging classical intuition.

Purpose of the Study:

  • Investigate delocalized quantum interactions.
  • Quantify the locational information loss in quantum interactions.
  • Explore applications of these phenomena using quantum games.

Main Methods:

  • Introduced quantum games to model delocalized interactions.
  • Utilized spatial superposition states to measure interaction disturbance.
  • Applied quantum concurrence to bound non-classical performance gains.
  • Demonstrated quantum games on an IBM quantum processor.

Main Results:

  • Quantified the reduced locational information in quantum interactions.
  • Established a direct operational use for quantum concurrence.
  • Demonstrated a link between delocalized interactions and quantum teleportation.

Conclusions:

  • Delocalized quantum interactions represent a key non-classical phenomenon.
  • Quantum games provide a framework for studying and utilizing these interactions.
  • Quantum concurrence is a valuable metric for quantifying non-classical advantages.