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user1271772 No more free time's user avatar
user1271772 No more free time's user avatar
user1271772 No more free time's user avatar
user1271772 No more free time
  • Member for 6 years, 1 month
  • Last seen this week
  • Caltech
7 votes

Why is the transpose of a density matrix positive and trace preserving?

7 votes

What are magic states?

7 votes
Accepted

How to translate the Hadamard gate matrix into Dirac notation?

7 votes

Where exactly does entanglement appear in Shor's algorithm?

7 votes
Accepted

Quantum simulation of environment-assisted quantum walks in photosynthetic energy transfer

7 votes

Is it possible to simulate a quantum computer in Virtual Reality? If yes, how?

7 votes
Accepted

When you act on a multi-qubit system with a 2-qubit gate, what happens to the third qubit?

7 votes
Accepted

What kind of mathematics is common in quantum computing?

7 votes

Toffoli gate as FANOUT

6 votes
Accepted

Solving linear systems represented by NxN matrices with N not power of 2

6 votes

Are we certain that quantum computers are more efficient than classical computers can be built?

6 votes
Accepted

Adiabatic Quantum Computing vs Adiabatic Quantum Optimization vs Quantum Annealing

6 votes

Where is the parallelism in Deutsch-Jozsa algorithm?

6 votes
Accepted

Why attenuator and not filters for QC driving line

6 votes

Why don't quantum computing scientists build two 50-qubit processors and connect them in parallel instead of building one 100-qubit processor?

6 votes

How to construct a multi-qubit controlled-Z from elementary gates?

6 votes
Accepted

Ethics: Publishing a corrected version of a moderately cited paper having several minor errors

6 votes

Does the quantum coherence in the FMO complex have any significance to quantum computing (on a biological substrate)?

6 votes
Accepted

What's the current status of quantum computers?

6 votes
Accepted

Are the squared absolute values of the eigenvalues of a unitary matrix always 1?

6 votes
Accepted

Classical algorithm with complexity similar to Shor's discovered: Are there more efficient quantum algorithms than Shor's?

6 votes

Claimed "potential revenue" from machine learning in 2023?

6 votes

New Hybrid-HHL algorithm vs VQLS

6 votes
Accepted

Symbolic computation with quantum circuits

6 votes

In the adiabatic version of Grover's algorithm, how is the Hamiltonian constructed?

5 votes

What is meant by $\log(m)$ qubits

5 votes

Why are diagonal Hamiltonians considered classical?

5 votes

Negative Probability — Reality vs Description

5 votes
Accepted

Show that if the Lindblad satisfy $\sum_\mu L_\mu L_\mu^\dagger=\sum_\mu L_\mu^\dagger L_\mu$ then the von Neumann entropy increases monotonically

5 votes
Accepted

What are the practical applications of quantum computing in engineering by the year 2030?

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