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4 votes
1 answer
79 views

Decoding the Steane Code

2 votes
1 answer
91 views

Why is it not a good idea to run Shor's algorithm on a big noisy quantum computer?

1 vote
1 answer
20 views

Error correction conditions for bit flip code

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What kind of quantum error is most likely to happen and are considered most in quantum error correction codes?

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29 views

How is coherent noise more detrimental than incoherent noise for QEC when QEC is supposed to decohere noise?

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1 answer
49 views

Ancilla qubit error spreading to multiple data qubits?

3 votes
2 answers
45 views

How to calculate pseudo-threshold of the [[5,1,3]] code analytically to match simulation?

0 votes
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34 views

How can fault tolerance be understood from the perspective of detecting regions in a circuit?

1 vote
1 answer
19 views

I am getting an error on STIM: An error case in a composite error exceeded that max supported number of symptoms (<=15)

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56 views

How does syndrome extraction in bit-flip codes using stabilizers work?

4 votes
2 answers
67 views

Codes saturating the bound d=(n+1)/2

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1 answer
56 views

For an $[\![n,k,d]\!]$ degenerate stabilizer code, can product of two distinct correctable errors with same syndrome have weight less than $d$?

2 votes
1 answer
84 views

Hilbert space of n qubits always has a decoherence free subspace if n is even?

4 votes
1 answer
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How does one create a long range CNOT gate on a square grid of qubits using constant depth circuits?

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