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You could of course argue that it's already a quantum computer that they've built. It's not a general purpose quantum computer though, as it doesn't allow you t
by ThePhysicist 7y ago
You could of course argue that it's already a quantum computer that they've built. It's not a general purpose quantum computer though, as it doesn't allow you to run arbitrary gate sequences on it due to limited coherence time and limited inter-qubit connectivity. So while you surely can do some quantum computations on it you can't yet run arbitrary quantum programs.
- yvdriess 7y agoIn terms of limited connectivity: mesh connectivity is theoretically sufficient. Putting all qubits in superposition in a preparation phase then allows you to do any arbitrary quantum computation by a sequence of measurements and one-qubit operations. You would be doing one-way measurement quantum computing, and not quantum circuits, but it's just as universal.