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Quantum spaghettification
  • Member for 6 years
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  • Somewhere between earth and andromeda.
17 votes
2 answers
8k views

What counts as an "ancilla" qubit?

14 votes
3 answers
3k views

What is the difference between "code space", "code word" and "stabilizer code"?

14 votes
3 answers
876 views

Is acting with a positive map on a state not part of a larger system allowed?

14 votes
4 answers
2k views

Grover's Algorithm and its relation to complexity classes?

12 votes
2 answers
2k views

Why is the Pauli group used for stabilizers?

10 votes
2 answers
4k views

In Grover's Algorithm, why does the optimal number of iterations involve a floor?

9 votes
2 answers
896 views

Why do we use ancilla qubits for error syndrome measurements?

9 votes
2 answers
1k views

Is the Kraus representation of a quantum channel equivalent to a unitary evolution in an enlarged space?

8 votes
1 answer
441 views

Maximum number of Stabilizer Generators?

8 votes
2 answers
234 views

Use of the term "dimension" in this description of Simon's algorithm?

7 votes
1 answer
437 views

Lower bound for Degenerate Codes?

7 votes
2 answers
399 views

Why or how is 'cat' state preparation via a C-not-not operation not fault tolerant?

5 votes
1 answer
411 views

Simon's Algorithm Probability of Independence

4 votes
1 answer
597 views

Example of Grover's Algorithm applied to a decision problem?

4 votes
2 answers
641 views

Density operators and separable states