Last call to make your voice heard! Our 2022 Developer Survey closes in less than a week. Take survey.

Quantum Computing Stack Exchange is a question and answer site for engineers, scientists, programmers, and computing professionals interested in quantum computing. It only takes a minute to sign up.

Sign up to join this community
Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top

Explore our Questions

3 votes
0 answers
7 views

How to get to the formula for the entanglement of formation of two-qubit states?

2 votes
0 answers
19 views

Why does $\sigma_y$ seem to have a special role in the two-qubit concurrence?

3 votes
2 answers
39 views

Optimising state tomography for fully entangled states

2 votes
2 answers
526 views

What happens to the Bell state qubits after the Quantum Teleportation?

1 vote
1 answer
75 views

Bit Flip, Separable state and Several Question about Cirq

1 vote
1 answer
67 views

Why use superpositions to write states even when they are not entangled?

2 votes
1 answer
65 views

How do I represent a Werner state in ket notation?

3 votes
1 answer
102 views

What are the possible gates that I can use to vary input states before CNOT?

3 votes
1 answer
55 views

What is the quantum strategy required to win the Magic Squares game

0 votes
1 answer
72 views

Trouble re-creating quantum psuedo-telepathy

2 votes
0 answers
51 views

Is there a relation between quantum entanglement and inclusion-exclusion principle?

5 votes
1 answer
103 views

Where is entanglement present and absent in the one clean qubit model of computation?

5 votes
3 answers
1k views

What is a "maximally mixed state"?

0 votes
1 answer
39 views

How does the teleportation step work in entanglement dilution?

Browse more Questions