Quantum Entanglement Lab
Quantum Entanglement Simulator — Bell States & CHSH Test
This quantum entanglement lab covers four phenomena central to quantum information. Bell States mode shows two Bloch-sphere diagrams linked by an entanglement line with a running measurement histogram and E(A,B) correlation. CHSH Test mode computes the S value from quantum correlations vs. angle difference and shows whether the classical bound is violated. Teleportation mode steps through the full quantum teleportation protocol with fidelity readout. Decoherence mode displays a 4×4 density matrix heatmap and concurrence-vs-time graph showing entanglement sudden death.
What you can do in this simulation
- Adjust detector angles θ_A and θ_B (0–π) with sliders
- Switch between Bell States, CHSH Test, Teleportation, and Decoherence modes
- Watch measurement histograms and E(A,B) correlation update live
- View CHSH S value and classical bound violation indicator
- See density matrix heatmap and concurrence decay in Decoherence mode
Concepts covered
quantum entanglement · Bell inequality · CHSH test · quantum teleportation · decoherence · Bloch sphere
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