Find answers to your questions about Quantum Computing or help others by answering their Quantum Computing questions.
For example, a computer represent a variable named "A" as 01000001. How does a quantum computer represent "A"? I am a newbie having difficulty understanding quantum computers. I watched a...
Asked on 09/28/2021 by Mrcreamio
2 answerI am new in this field and I am considering to do research for my engineering degree. First, I would like to have an opinion from more experienced people. Do...
Asked on 09/28/2021 by Christhofer
2 answerI know for instance I can derive a cccX gate using 2 Toffoli gates on 5 qubit wire or ccccX with 3 Toffoli gates and 7 qubits and so on....
Asked on 09/27/2021 by Ab1
1 answerI have already visited this What does it mean to get 403 error when running a code on Qiskit? which did not help me fix my problem.I want...
Asked on 09/27/2021
1 answerCould you give me an example of a measurement which is separable but not LOCC (Local Operations Classical Communication)?Given an ensable of states $rho^{N}$, a separable measurement on...
Asked on 09/26/2021 by MrRobot
1 answerI'm trying to solve a problem. I have my own approach to it, as the one in the textbook seems overly complicated. I tried using my own approach, but I'm...
Asked on 09/26/2021
2 answerI implemented 2 versions of the entanglement swapping circuit in IBM Q. One is using classical measurement to control X, Z gates. Another is just us C-NOT and Controlled-Z. They...
Asked on 09/26/2021 by HYW
2 answerDefine $|psi^{00}rangle = frac{1}{sqrt2}(|00rangle + |11rangle)$ and $|psi^{01}rangle = frac{1}{sqrt2}(|00rangle - |11rangle)$, and consider the state$$ |0ranglelangle 0|^Cotimes |psi^{00}ranglelanglepsi^{00}|^{AB} + |1ranglelangle 1|^Cotimes |psi^{01}ranglelanglepsi^{01}|^{AB}, $$where the...
Asked on 09/26/2021
2 answerQuestion1. If there is a state $|phirangle=frac{1}{sqrt{2}}(|0rangle+e^{itheta}|1rangle)$, and I want to know the angle $theta$. What kind of measurement should I do? Could somebody give me the quantum...
Asked on 09/05/2021
2 answerI am going through Nielsen and Chuang and am finding the chapter on error-correction particularly confusing. At the moment I am stuck on exercise 10.12 which states Show that the...
Asked on 09/05/2021 by Schonker
1 answerGet help from others!
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