A geometric construction via shortest-distance projection to the convex set of useless states yields optimal teleportation witnesses and a necessary-and-sufficient usefulness criterion for arbitrary two-qudit states.
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Detector efficiency causes rapid nonlinear suppression of extreme Leggett-Garg inequality violations in hybrid Liouvillian dynamics.
Two universal criteria are introduced to certify genuine high-dimensional quantum teleportation by fully identifying the entanglement dimension of the resource.
Photon addition and subtraction enhance Gaussian-source heralded generation of dual-rail Bell, GHZ, and W states with improved fidelity and success probability.
citing papers explorer
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Geometric Construction of Optimal Teleportation Witnesses
A geometric construction via shortest-distance projection to the convex set of useless states yields optimal teleportation witnesses and a necessary-and-sufficient usefulness criterion for arbitrary two-qudit states.
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Violations of the Leggett-Garg inequality in Hybrid Liouvillian Dynamics: The Nonlinear Role of Detector Efficiency
Detector efficiency causes rapid nonlinear suppression of extreme Leggett-Garg inequality violations in hybrid Liouvillian dynamics.
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General Criteria for Certifying Genuine High-Dimensional Quantum Teleportation
Two universal criteria are introduced to certify genuine high-dimensional quantum teleportation by fully identifying the entanglement dimension of the resource.
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Heralded entangled state generation enhanced by photon addition and subtraction
Photon addition and subtraction enhance Gaussian-source heralded generation of dual-rail Bell, GHZ, and W states with improved fidelity and success probability.
- One pure steered state implies Einstein-Podolsky-Rosen steering