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Quantum Fourier Transform without SWAPs

quantum-gate circuit-construction quantum-fourier-transform

modified 10 hours ago Community♦ 1

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How to generate a superposition of m-level n-particle states $|j_{0} ,j_{1}, …,j_{n-1}\rangle$ with $\sum_{k=0}^{n-1} j_k \mathrm{mod}\ m \ = \ 0$?

quantum-state circuit-construction

modified yesterday glS 8,200

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How to generate the following $n$-level $n$-particle singlet state?

quantum-state circuit-construction

modified Nov 7 at 11:53 glS 8,200

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Trying to build a circuit for quantum teleportation on IBMQ I get ERROR_RUNNING_JOB error

circuit-construction ibm-q-experience teleportation

modified Nov 7 at 11:20 glS 8,200

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How to build a CNOT out of universal CCNOT gates?

algorithm quantum-gate circuit-construction

modified Nov 7 at 11:14 glS 8,200

3

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Secret sharing though quantum operations

quantum-state entanglement circuit-construction cryptography quantum-fourier-transform

answered Nov 7 at 2:52 Greg Kuperberg 881

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How to create an Ising coupling gate with Qiskit?

quantum-gate circuit-construction qiskit simulation

modified Oct 27 at 9:33 Sanchayan Dutta 11.3k

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N-Toffoli on Cirq

circuit-construction cirq

modified Oct 26 at 2:29 Misha Brukman 105

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Decomposing a controlled phase gate into CNOTs

quantum-gate quantum-state circuit-construction gate-synthesis

modified Oct 24 at 9:58 glS 8,200

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Developing quantum circuits for specific quantum chemistry configurations

circuit-construction chemistry

modified Oct 20 at 17:28 Sanchayan Dutta 11.3k

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What is a “barrier” in Qiskit circuits?

qiskit circuit-construction ibm-q-experience

modified Oct 9 at 6:34 Sanchayan Dutta 11.3k

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n-qubit circuit run with > n qubits?

qiskit circuit-construction

answered Sep 30 at 6:12 DaftWullie 22.5k

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Variational Quantum Eigensolver (VQE) - Question about finding the imaginary part of measurement

algorithm circuit-construction mathematics

modified Sep 29 at 9:28 Sanchayan Dutta 11.3k

2

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How to implement the controlled square root of NOT gate on the IBM Q composer?

quantum-gate circuit-construction

modified Sep 21 at 12:03 glS 8,200

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