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Results tagged with quantum-state
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user 15567
Questions about or related to quantum states. Consider using the density-matrix tag when relevant.
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What is the probability of detecting Eve's tampering, in BB84?
Alice sends a 0 in computational basis
I understand that theres a $\frac12$ probability that eve guesses the basis wrong, and can go with Hadamard. So it's $\frac12$ chance Eve will pick computational …
- 13
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Understanding Deutsch Algorithm
From the image below, if we focus on the first qubit, we know after Hadamard (state 1) $|0\rangle$ will become $|+\rangle$ and the second qubit $|1\rangle$ will become $|-\rangle$.
What exactly would …
- 13