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Create qnode with density matrix on pennylane

My previous answer mistakenly read quantum_fisher instead of classical_fisher. It is actually possible to compute the latter ...
Tristan Nemoz's user avatar
6 votes

Is there any programming project that implements one quantum error correction code or demonstrates it?

Three-coupler and iswap and walking surface codes Pair-measurement surface code Honeycomb code Bacon-Shor code and Fractal Bacon-Shor code You may also want to look at the example circuits in ...
Craig Gidney's user avatar
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