microsoft/qdk
Publicmirrored fromhttps://github.com/microsoft/qdkAvailable
samples/getting_started/Entanglement.qs
29lines · modecode
| 1 | /// # Summary |
| 2 | /// Entanglement sample |
| 3 | /// |
| 4 | /// # Description |
| 5 | /// This Q# program entangles two qubits and measures them. |
| 6 | /// |
| 7 | /// # Remarks |
| 8 | /// Qubits are said to be entangled when the state of each one of them |
| 9 | /// cannot be described independently from the state of the others. |
| 10 | operation Main() : Result[] { |
| 11 | // Allocate the two qubits that will be entangled. |
| 12 | use q1 = Qubit(); |
| 13 | use q2 = Qubit(); |
| 14 | |
| 15 | // Set the first qubit in superposition by calling the `H` operation, |
| 16 | // which applies a Hadamard transformation to the qubit. |
| 17 | H(q1); |
| 18 | // Entangle the two qubits using the `CNOT` operation. |
| 19 | CNOT(q1, q2); |
| 20 | |
| 21 | // Show the entangled state using the `DumpMachine` function. |
| 22 | // Note that the state is a superposition of |00〉 and |11〉, |
| 23 | // but not |01〉 and |10〉. |
| 24 | Std.Diagnostics.DumpMachine(); |
| 25 | |
| 26 | // Create an array (register) out of the two qubits, measure each qubit, |
| 27 | // reset each qubit, return the array of measurement results. |
| 28 | MResetEachZ([q1, q2]) |
| 29 | } |
| 30 | |