Editing Phase Co-variant Cloning
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The fidelity of this protocol is the same as the previous protocol. However, the output states (reduced [[density matrices]] of copies) are different. | The fidelity of this protocol is the same as the previous protocol. However, the output states (reduced [[density matrices]] of copies) are different. | ||
== | ==Notations== | ||
*<math>|\psi(\phi)\rangle = \frac{1}{\sqrt{2}} (|0\rangle + e^{i\phi}|1\rangle):</math> Input equatorial state | *<math>|\psi(\phi)\rangle = \frac{1}{\sqrt{2}} (|0\rangle + e^{i\phi}|1\rangle):</math> Input equatorial state | ||
*<math>T:</math> The general map for all the phase-covariant QCMs | *<math>T:</math> The general map for all the phase-covariant QCMs |