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Active 2 Bountied Hot Week Month

1

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Supercoducting qubit frequencies

superconducting-quantum-computing

modified 6 hours ago Community♦ 1

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2

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77

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Software for Quantum Computing

algorithm programming ibm-q-experience applications nisq

answered 11 hours ago PESchoenberg 9

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Can I find the states of individual qubits in a quantum register using only linear algebra?

mathematics matrix-representation

answered yesterday Craig Gidney 5,658

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Question on using the Collect2qBlocks() and ConsolidateBlocks() optimizations

programming qiskit

asked yesterday Kesha H. 6

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35

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Can a mixed state be represented on a Bloch sphere?

quantum-state bloch-sphere

modified yesterday glS 5,749

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Prove by induction $H^{\otimes n} \left| 0 \right>^{\otimes n} = \frac{1}{\sqrt{2^n}} \sum_{i=0}^{2^n -1} \left| i \right>$

hadamard

answered yesterday glS 5,749

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144

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+50

Does the Copenhagen interpretation (+ “quasi-classical measuring apparatus”) allow one to bypass a derivation's objection?

measurement

modified yesterday glS 5,749

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62

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How is it possible to perform a c-not on 4 qubits using the same control qubits on IBM Q computers?

quantum-gate qiskit ibm-q-experience

modified Sep 15 at 7:01 Community♦ 1

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45

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Big Endian vs Little Endian in Qiskit

qiskit

answered Sep 15 at 1:45 Jack Woehr 31

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42

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The control phase gate in Quantum fourier transform and the question it brings up regarding control gates in general

quantum-gate quantum-fourier-transform quantum-control

modified Sep 14 at 8:00 Community♦ 1

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+50

Why does entanglement not increase the classical capacity of a channel?

entanglement quantum-channel communication

modified Sep 13 at 22:21 user1936752 272

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Is their a way to perfectly clone coherent state and squeezed states?

cloning

answered Sep 13 at 16:38 Josh Izaac 171

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92

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How to get amplitudes only for chosen qubits?

qiskit circuit-construction

modified Sep 13 at 14:23 Kenenbek Arzymatov 139

3

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48

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Extensions of product states

quantum-state

answered Sep 13 at 7:14 DaftWullie 20.5k

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