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thespaceman
  • Member for 1 year, 9 months
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34 votes
6 answers
1k views

If quantum speed-up is due to the wave-like nature of quantum mechanics, why not just use regular waves?

32 votes
4 answers
11k views

What is meant by the term "computational basis"?

20 votes
2 answers
3k views

Circuit construction for Hamiltonian simulation

17 votes
3 answers
632 views

What exactly is meant by "noise" in the following context?

13 votes
2 answers
4k views

Can arbitrary matrices be decomposed using the Pauli basis? [duplicate]

  • 748
12 votes
1 answer
4k views

Evaluating expectation values of operators in Qiskit

  • 1,478
12 votes
1 answer
748 views

Embedding classical information into norm of a quantum state

12 votes
1 answer
2k views

How to implement a matrix exponential in a quantum circuit?

  • 819
12 votes
3 answers
4k views

How to calculate an Expected Value of some operator acting on qubits?

  • 748
10 votes
2 answers
956 views

Is there a Hamiltonian simulation technique implemented somewhere?

  • 4,564
9 votes
2 answers
2k views

Big Endian vs. Little Endian in Qiskit

9 votes
1 answer
356 views

New Hybrid-HHL algorithm vs VQLS

8 votes
1 answer
624 views

Circuit for VQE Expectation Value Finding

  • 1,521
7 votes
0 answers
499 views

Hadamard Overlap Test

  • 413
7 votes
3 answers
1k views

Quantum circuit to implement matrix exponential

  • 311
6 votes
2 answers
1k views

What is maximum circuit depth and size IBM Q5 and Q16 could handle?

  • 748
6 votes
3 answers
701 views

What's the observable when measuring multiple qubits in the computational basis?

5 votes
1 answer
2k views

How to make circuit for n-control Z gate( i.e $C^3Z$ )?

  • 391
2 votes
2 answers
140 views

How can I run a job as offline on real hardware?

2 votes
2 answers
89 views

What is the significance of transpiling time, validating time, in queue time and running time?

  • 265
1 vote
0 answers
279 views

A question about qiskit's WeightedPauliOperator.evolve method for IPEA (IQPE) implementation