Find answers to your questions about Quantum Computing or help others by answering their Quantum Computing questions.
I am trying to implement a Grassmann algebra in Python and was wondering if anyone could recommend any packages or suggest how to do so? I want to define the...
Asked on 08/20/2021 by Callum
0 answerIn a comment on my answer to the question: What exactly are anyons and how are they relevant to topological quantum computing? I was asked to give specific...
Asked on 08/20/2021 by user1271772
1 answerDefinition of k-distillability For a bipartite state $rho$, $H=H_Aotimes H_B$ and for an integer $kgeq 1$, $rho$ is $k$-distillable if there exists a (non-normalized) state...
Asked on 08/20/2021
1 answerThis is a sequel to Motivation for the definition of k-distillabilityGeometrical interpretation from the definition of 1-distillabilityThe eigenstate $|psirangle$ of the partially transposed $1$-distillable states will...
Asked on 08/20/2021 by Sanchayan Dutta
0 answerIn section 3.3.2 of this PDF, The general SWAP gate is defined as $S (alpha, hat{y}) = begin{bmatrix}1 & 0 &...
Asked on 08/20/2021 by Victory Omole
1 answerCan someone explain what is the threshold and the pseudo threshold of a Quantum Error Correction Code , for instance the 9-qubit code, and how to calculate it using the...
Asked on 08/20/2021 by El-Mo
2 answerIn all the cold quantum computer designs (superconducting qubits, spin qubits) attenuators are put on the driving lines. Their role is to kill the noise spectral density that comes from...
Asked on 08/20/2021
2 answerI am learning how to make Grover's algorithm but the last cx gate needs to be the opposite way around. It always makes the top qubit the control, so how...
Asked on 08/20/2021
2 answerFrom what I gather, communication is not possible with quantum mechanics. With the experiment on teleportation, entanglement is referred to as coordination and not communication. However, my belief is that...
Asked on 08/20/2021
3 answerIn John Watrous' lectures, he defines the quantum min-relative entropy as $$D_{min}(rho|sigma) = -log(F(rho, sigma)^2),$$ where $F(rho,sigma) = tr(sqrt{rhosigma})$. Here, I use this question...
Asked on 08/20/2021
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