Superdense coding: Difference between revisions

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explaining the picture a bit
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:<math>|\Phi ^{+}\rangle = \frac{1}{\sqrt{2}} (|0\rangle_A \otimes |0\rangle_B + |1\rangle_A \otimes |1\rangle_B)</math>
 
where <math>\otimes </math> denotes the [[tensor product]], is prepared. Note: we can omit the tensor product symbol <math>\otimes</math> and write the Bell state as
 
:<math>|\Phi ^{+}\rangle = \frac{1}{\sqrt{2}}(|0_A0_B\rangle + |1_A1_B\rangle)</math>.