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3 votes
2 answers
3k views

Why use inner and outer product?

3 votes
3 answers
239 views

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

3 votes
2 answers
687 views

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

3 votes
2 answers
533 views

Why do we need different basis vectors?

3 votes
1 answer
208 views

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

3 votes
2 answers
1k views

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

2 votes
2 answers
238 views

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

1 vote
0 answers
53 views

How qubit phase is build in real hardware?

1 vote
2 answers
455 views

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

1 vote
1 answer
434 views

Magnitudes and phases of coefficients of a qubit [duplicate]

1 vote
1 answer
151 views

How can one trapped ion physically represent quantum states?

0 votes
3 answers
343 views

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

0 votes
1 answer
136 views

Quantum circuit, Fourier Transform/Decomposition?