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Results tagged with experimental-realization
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user 1847
For questions about physical implementations of a quantum algorithm or other quantum information protocol. DO NOT use for questions about simulation or emulation of quantum computers, or cloud-based quantum computing services like the IBM Q Experience.
4
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1
answer
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Any few-qubit versions of Lloyd's "weakly-coupled-array" quantum computing?
On 1993, Seth Lloyd published in Science a proposal for A Potentially Realizable Quantum Computer. In a nutshell, this consists in a long chain of weakly coupled qubits which are operated with (almost …
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50
votes
6
answers
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How do I add 1+1 using a quantum computer?
This can be seen as the software complement to How does a quantum computer do basic math at the hardware level?
The question was asked by a member of the audience at the 4th network of the Spanish Ne …
- 3,887
6
votes
1
answer
238
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What are the current solutions to generate entangled qubits in the solid state?
Pairs of entangled qubits (or Bell pairs, or EPR pairs) are a fundamental resource for quantum computing, in the sense that any computational platform that cannot generate entanglement will also be un …
- 3,887
5
votes
0
answers
72
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Is PostBQP experimentally relevant? [duplicate]
Far from my expertise, but sheer curiosity. I've read that PostBQP ("a complexity class consisting of all of the computational problems solvable in polynomial time on a quantum Turing machine with pos …
- 3,887
7
votes
1
answer
197
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In qubit/qudit terms, where is the experimental limit between S=3/2 and 2·S=1/2?
This question is inspired by "What is the difference between a qudit system with d=4 and a two-qubit system?", as an experimental follow-up.
Consider for illustration these two particular cases:
Mo …
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10
votes
3
answers
392
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Can one interrogate black boxes for quantum coherence?
This question is based on a scenario that is partly hypothetical and partly based on the experimental features of molecule-based quantum devices, which often present a quantum evolution and have some …
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12
votes
0
answers
133
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Active improving of nanodiamond surfaces for NV centers?
This question is related (and complementary) to "Passive improving of nanodiamond surfaces for NV centers?".
Nitrogen-Vacancy centers (NVs) have astonishing quantum properties, which make them intere …
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7
votes
1
answer
140
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Translation of color/toric code to a small network of solid-state spins
Within Quantum Error Correction and stabilizer codes, toric codes/surface codes are very tempting, mainly for their high error threshold. For more background please check up, in our Physics sister (au …
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4
votes
1
answer
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Do avoided crossings / CTs /ZEFOZs optimize quantum fidelity in practice?
CTs / ZEFOZs: Energy level structures that include avoided crossings at accessible energies tend to be resilient to noise and therefore present high coherence times, at least in the case of spin qubit …
- 3,887
5
votes
1
answer
140
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Passive improving of nanodiamond surfaces for NV centers?
Nitrogen-Vacancy centers (NVs) have astonishing quantum properties, which make them interesting as potential hardware both for quantum computing in particular and for quantum technologies in general. …
- 3,887
19
votes
2
answers
475
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Quantum simulation of environment-assisted quantum walks in photosynthetic energy transfer
This question is related to Can the theory of quantum computation assist in the miniaturization of transistors? and Is Quantum Biocomputing ahead of us?
About 10 years ago, several papers discussed t …
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