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February 12, 2026Scientific ReportsOpen Access

Entanglement swapping through the amplitude damping noise channel

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Authors

YYYujie YuHLHua Li

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Overview

Paper investigates entanglement swapping degradation through amplitude damping noise, highlighting critical constraints.

Key Points

  • This research aims to explore the effects of amplitude damping noise on photon-number-encoded entanglement swapping.
  • Developed a beam splitter model to simulate energy dissipation
  • Analytically derived the evolution density matrix under noise channels
  • Numerically simulated fidelity and concurrence variations with noise parameters
  • As noise intensity increases, both fidelity and concurrence decrease
  • Maximally entangled initial states can lead to a complete loss of output entanglement due to noise
  • Deduced constraint conditions necessary for maintaining system entanglement

Cite This Study

Yu et al. (2026) studied this question.

synapsesocial.com/papers/698d6e1a5be6419ac0d538afhttps://doi.org/10.1038/s41598-026-39183-2
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