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Any two level flip in $n$ qubit system

quantum-gate circuit-construction

modified 9 hours ago draks ... 111

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Shifting amplitude from one basis to another with a control qubit

quantum-gate no-cloning-theorem

modified yesterday psitae 915

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Does Controlled-U gate entangle qubits?

quantum-gate quantum-state quantum-information quantum-operation

answered 2 days ago DaftWullie 27.4k

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$H = e^{i\pi/4} \sqrt{iNOT}$?

quantum-gate physical-realization hadamard

answered 2 days ago DaftWullie 27.4k

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Trying to use matrices for Hadamard and Controlled Not gates

quantum-gate matrix-representation

modified Apr 6 at 21:27 Glorfindel 455

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How to perform operations like sin over Qiskit parameters

quantum-gate qiskit

answered Apr 6 at 16:11 Matthew Treinish 266

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It two unitaries are delta apart in trace norm, then what is the trace norm of outputs states when the same input state is applied to two unitaries?

quantum-gate quantum-state quantum-information trace-distance

modified Apr 6 at 9:28 DaftWullie 27.4k

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Quantum Neural Network

quantum-gate quantum-information

answered Apr 4 at 16:43 Arthur Pesah 98

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In Google's Quantum Supremacy experiment, what if we use $\theta=45°$ for two-qubit $f_{sim}$ gates?

quantum-gate quantum-advantage google-sycamore

modified Apr 3 at 23:40 Craig Gidney 8,116

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How to switch bit in the quantum state?

quantum-gate algorithm quantum-state circuit-construction

modified Apr 3 at 6:33 Poramet Pathumsoot 175

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Construct a orale for XOR

quantum-gate algorithm grovers-algorithm

modified Apr 1 at 15:16 W.D 13

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Gate corresponding to $-I$

quantum-gate quantum-state qiskit circuit-construction

modified Mar 31 at 17:58 Martin Vesely 3,613

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Rotations to encode $f(x)$ into ancilla qubit for quantum Monte Carlo

quantum-gate circuit-construction quantum-computing-for-finance

modified Mar 30 at 19:14 Sam Palmer 121

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How do I prove that the Hadamard satisfies $H\equiv e^{i\pi H/2}$?

quantum-gate mathematics pauli-gates hadamard

modified Mar 30 at 15:44 Jonathan Trousdale 1,551

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