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13 Questions

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0 votes

1 answer

130 views

Quantum circuit, Fourier Transform/Decomposition?

asked Oct 4, 2020 at 2:24

0 votes

3 answers

296 views

Can you encode two values in a single qubit state, say its phase and orientation?

asked Jul 11, 2020 at 3:23

1 vote

2 answers

423 views

Is it possible to create a quantum computer with a double-slit or Stern-Gerlach apparatus?

asked Jun 11, 2020 at 3:01

3 votes

1 answer

201 views

How do IBM, D-Wave, etc. change phase physically?

asked May 26, 2020 at 2:45

1 vote

0 answers

53 views

How qubit phase is build in real hardware?

asked Apr 8, 2020 at 1:04

3 votes

2 answers

1k views

How are magnitude and phase of a qubit represented on the Bloch sphere?

asked Mar 29, 2020 at 2:27

1 vote

1 answer

407 views

Magnitudes and phases of coefficients of a qubit [duplicate]

asked Feb 14, 2020 at 2:37

3 votes

2 answers

516 views

Why do we need different basis vectors?

asked Feb 3, 2020 at 2:19

3 votes

2 answers

628 views

Can a qubit be in the inside of the Bloch Sphere?

asked Jan 15, 2020 at 4:09

2 votes

2 answers

235 views

Do quantum gates rotate a qubit around the Bloch sphere, or do quantum gates rotate the Bloch sphere around a qubit?

asked Dec 15, 2019 at 5:34

1 vote

1 answer

143 views

How can one trapped ion physically represent quantum states?

asked Nov 29, 2019 at 4:49

3 votes

3 answers

233 views

Can everything in QM be described with degrees instead of matrices and vectors?

asked Oct 3, 2019 at 5:06

3 votes

2 answers

2k views

Why use inner and outer product?

asked Sep 12, 2019 at 4:49