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Dripto Debroy
  • Member for 3 years, 11 months
  • Last seen more than a month ago
19 votes
Accepted

Tools for creating quantum circuit diagrams

15 votes
Accepted

How do you implement the Toffoli gate using only single-qubit and CNOT gates?

9 votes

Currently, what are the best structured courses available online on quantum computing?

6 votes

Density matrix after measurement on density matrix

6 votes
Accepted

Do all physical architectures for quantum computers use the same universal gate sets?

6 votes

How to implement a while loop in a quantum computer?

5 votes

Symmetry in Conditional Phase Shift Gates and Realizing CNOT through HCZH

5 votes

What are the pros/cons of Trapped Ion Qubits, Superconducting Qubits and Si Spin Qubits?

5 votes
Accepted

HHL algorithm -- controlled-by-eigenvalues rotations

4 votes
Accepted

HHL algorithm -- problem with the outcome of postselection

4 votes
Accepted

topological error correction concepts

4 votes
Accepted

Can we perform quantum mechanical simulations using a quantum computer?

4 votes
Accepted

How the simulator work?

4 votes
Accepted

The meaning of the city plot in Qiskit

3 votes

What is the notational convention for the single-qubit states $\lvert0\rangle\pm i\lvert1\rangle$?

3 votes

Where to publish quantum algorithm related paper

3 votes

What is the pseudo threshold of a QECC using stabilizer formalism

3 votes

What's the purpose of phases in quantum mechanics?

3 votes
Accepted

Is there something like GitHub for quantum programming?

2 votes

In amplitude amplification, how are the amplitudes of qubits changed?

2 votes

Good metaphors for n-level quantum systems

2 votes

Is it possible to purchase quantum computing hardware?

2 votes

Non-layperson explanation of why a qubit is more useful than a bit?

2 votes
Accepted

Prove that the depolarizing channel is completely positive

1 vote

Creative way to clone quantum data?

1 vote
Accepted

Other than distance, what other metrics can be used to compare quantum error correcting codes?

1 vote

Are all operations simply matrix multiplication?

1 vote
Accepted

How do two qubit states differing by a global phase relate to each other?

1 vote
Accepted

Where can I find tutorials about correcting gate errors in the quantum circuit?

1 vote
Accepted

A question about a real programmable quantum computer