THE HELLO WORLD OF ENTANGLEMENT 👋
To kick things off, here's the most famous two-qubit circuit there is: the Bell pair.
Recipe: put an H gate on qubit 0, then a CNOT from qubit 0 to qubit 1. That's it. Two gates.
Run it and look at the histogram: you'll only ever see 00 and 11, roughly 50/50 — never 01 or 10. The two qubits always agree, even though neither one "decided" anything before you measured. That spooky agreement is entanglement.
Try it in the simulator, then hit 📸 and post your version here. First circuit you ever share? Even better.
To kick things off, here's the most famous two-qubit circuit there is: the Bell pair.
Recipe: put an H gate on qubit 0, then a CNOT from qubit 0 to qubit 1. That's it. Two gates.
Run it and look at the histogram: you'll only ever see 00 and 11, roughly 50/50 — never 01 or 10. The two qubits always agree, even though neither one "decided" anything before you measured. That spooky agreement is entanglement.
Try it in the simulator, then hit 📸 and post your version here. First circuit you ever share? Even better.
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