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If an auxiliary qubit is allowed, how to construct toffoli gate in easier way?

quantum-gate circuit-construction

answered yesterday Yehuda Naveh 133

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1

answer

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Achieve a control gate with 2 hadamard coins

quantum-gate qiskit circuit-construction

modified 2 days ago met927 1,542

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Simpler implementation of the Toffoli gate on IBM Q for special circumstances

quantum-gate circuit-construction ibm-q-experience complexity-theory

modified Feb 14 at 14:38 Martin Vesely 2,138

7

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288

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Minimum number of CNOTs for Toffoli with non-adjacent controls

circuit-construction gate-synthesis optimization

modified Feb 14 at 1:47 sandualuclopotaru 83

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42

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How to prepare mixed states on a quantum computer?

quantum-state entanglement circuit-construction density-matrix

answered Feb 13 at 23:01 NoLongerBreathedIn 31

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How to construct a IBM Quantum Experience circuit for the following state transformation?

circuit-construction ibm-q-experience hadamard

modified Feb 13 at 11:12 Martin Vesely 2,138

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Swap test to calculate inner product with qiskit for multi-qubit states

quantum-gate qiskit circuit-construction

modified Feb 13 at 5:48 Martin Vesely 2,138

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174

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Implementing QFT for Shor's Algorithm?

circuit-construction shors-algorithm

modified Feb 7 at 14:12 ChainedSymmetry 1,541

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Easiest hash function to implement on Qiskit

quantum-gate qiskit circuit-construction grovers-algorithm cryptography

asked Feb 4 at 18:30 Corbs 21

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Unentangling a qubit from a system: can we convert $\alpha|000\rangle+\beta|111\rangle$ into $\alpha|00\rangle+\beta|11\rangle$?

quantum-state entanglement circuit-construction measurement

modified Jan 27 at 14:27 glS 9,015

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How to implement modular exponentiation efficiently in Shor's algorithm?

algorithm circuit-construction shors-algorithm

answered Jan 27 at 7:41 Craig Gidney 7,831

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180

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Constructing a circuit which performs the transformation $|x,y\rangle \to |x, x + y \bmod 4\rangle$

algorithm circuit-construction

answered Jan 24 at 22:06 fagd 196

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1

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53

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Constructing a circuit for $C^1(U)$ for rotation operators with TWO single qubit gates and CNOT gate

quantum-gate circuit-construction nielsen-and-chuang

modified Jan 24 at 17:05 glS 9,015

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How to interpret a 4 qubit quantum circuit as a matrix?

algorithm quantum-gate circuit-construction simons-algorithm

modified Jan 21 at 22:39 Martin Vesely 2,138

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