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3 votes
2 answers
3k views

Why use inner and outer product?

3 votes
3 answers
243 views

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

3 votes
2 answers
748 views

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

3 votes
2 answers
549 views

Why do we need different basis vectors?

3 votes
1 answer
210 views

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

3 votes
2 answers
2k views

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

2 votes
2 answers
247 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
475 views

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

1 vote
1 answer
464 views

Magnitudes and phases of coefficients of a qubit [duplicate]

1 vote
1 answer
160 views

How can one trapped ion physically represent quantum states?

0 votes
3 answers
389 views

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

0 votes
1 answer
148 views

Quantum circuit, Fourier Transform/Decomposition?