![File:Used for geometric description of the Bell state.png](http://upload.wikimedia.org/wikipedia/commons/thumb/2/23/Used_for_geometric_description_of_the_Bell_state.png/677px-Used_for_geometric_description_of_the_Bell_state.png)
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current | 21:09, 2 November 2020 | ![]() | 783 × 693 (49 KB) | Omnissiahs hierophant | Reverted to version as of 12:02, 10 September 2020 (UTC) |
21:09, 10 September 2020 | ![]() | 774 × 693 (49 KB) | Omnissiahs hierophant | a and d was changed to |a| and |d| | |
12:02, 10 September 2020 | ![]() | 783 × 693 (49 KB) | Omnissiahs hierophant | {{subst:Upload marker added by en.wp UW}} {{Information |Description = {{en|The Bell state is a quantum state |\Psi> = a|00> + b|01> + c|10> + d|11>, where a = d = 1/sqrt(2) and b = c = 0. Therefore it can be fully described by the plane spanned by the basis vectors |00> and |11>, as in the picture. The unit sphere (in C^4) intersects the plane in a circle. The state |\Psi> lies on the unit spheres surface. a = d = 1/sqrt(2), meaning that |a|^2 = |b|^2 = 1/2. There is equal probability of m... |
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