Quantum Computing

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Awarded 44 times.
If all quantum gates must be unitary, what about measurement?
Awarded Aug 16 at 6:17
How to calculate circuit depth properly?
Awarded Jul 20 at 15:42
Effects of quantum computing on parallel universes
Awarded Jul 19 at 5:57
Can the Bloch sphere be generalized to two qubits?
Awarded Jul 3 at 23:25
How does a quantum computer do basic math at the hardware level?
Awarded Jul 2 at 22:02
Does Moore's law apply to quantum computing?
Awarded Jan 19 at 8:11
Is quantum computing mature enough for a computer scientist with no physics background?
Awarded Nov 6, 2022 at 20:43
What are magic states?
Awarded Oct 25, 2022 at 9:26
What is the "surface code" in the context of quantum error correction?
Awarded Oct 25, 2022 at 9:26
What is the "surface code" in the context of quantum error correction?
Awarded Oct 25, 2022 at 9:26
An impossible quantum adder claimed by a journal article?
Awarded Aug 31, 2022 at 19:56
How do I build a gate from a matrix on Qiskit?
Awarded Jul 20, 2022 at 10:35
How can I implement an n-bit Toffoli gate?
Awarded Apr 22, 2022 at 10:35
How to understand the Haar measure from a quantum information perspective?
Awarded Apr 13, 2022 at 17:27
What is a "barrier" in Qiskit circuits?
Awarded Apr 7, 2022 at 13:47
What is the difference between a relative phase and a global phase? In particular, what is a phase?
Awarded Mar 7, 2022 at 21:33
How are quantum gates implemented in reality?
Awarded Dec 3, 2021 at 8:04
How do I show that a two-qubit state is an entangled state?
Awarded Oct 9, 2021 at 13:05
Are there emulators for quantum computers?
Awarded Oct 7, 2021 at 16:27
How to derive the CNOT matrix for a 3-qubit system where the control & target qubits are not adjacent?
Awarded Aug 18, 2021 at 4:25
How is the oracle in Grover's search algorithm implemented?
Awarded Jun 24, 2021 at 13:28
Why is it important to eliminate the garbage qubits?
Awarded Apr 15, 2021 at 21:41
How do I add 1+1 using a quantum computer?
Awarded Apr 15, 2021 at 21:41
How does bra-ket notation work?
Awarded Apr 15, 2021 at 21:41
What are the models of quantum computation?
Awarded Mar 23, 2021 at 8:11
Is there a layman's explanation for why Grover's algorithm works?
Awarded Dec 13, 2020 at 3:34
What exactly is an oracle?
Awarded Nov 28, 2020 at 16:20
What is quantum gate teleportation?
Awarded Nov 9, 2020 at 16:05
How do you write a simple program for a D-Wave device?
Awarded Aug 31, 2020 at 14:21
Which subatomic particle does each company use in quantum computing?
Awarded Jun 20, 2020 at 4:55
What is meant by "Noisy Intermediate-Scale Quantum" (NISQ) technology?
Awarded Feb 17, 2020 at 1:45
The algorithm of the new quantum factoring record 1,099,551,473,989
Awarded Dec 17, 2019 at 15:30
Is quantum computing just pie in the sky?
Awarded Nov 28, 2019 at 4:00
Can a quantum computer simulate a normal computer?
Awarded Nov 7, 2019 at 19:10
How does a quantum computer do basic math at the hardware level?
Awarded Oct 15, 2019 at 2:05
Is it possible for an encryption method to exist which is impossible to crack, even using quantum computers?
Awarded Jul 4, 2019 at 11:40
Is there proof that the D-wave (one) is a quantum computer and is effective?
Awarded Feb 1, 2019 at 1:10
Why do optical quantum computers not have to be kept near absolute zero while superconducting quantum computers do?
Awarded Nov 19, 2018 at 13:25
What programming languages are available for quantum computers?
Awarded Aug 12, 2018 at 21:45
Is quantum computing just pie in the sky?
Awarded Jul 4, 2018 at 9:45
Are there emulators for quantum computers?
Awarded Jul 3, 2018 at 22:36
Is quantum computing just pie in the sky?
Awarded Jul 1, 2018 at 4:37
What programming languages are available for quantum computers?
Awarded Apr 26, 2018 at 15:10
Can a Turing machine simulate a quantum computer?
Awarded Apr 3, 2018 at 1:54

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