dorsal/arxiv
View SchemaQuantum Computing with Electron Spins in Quantum Dots
| Authors | L. M. K. Vandersypen, R. Hanson, L. H. Willems van Beveren, J. M. Elzerman, J. S. Greidanus, S. De Franceschi, L. P. Kouwenhoven |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0207059 |
| URL | https://arxiv.org/abs/quant-ph/0207059 |
Abstract
We present a set of concrete and realistic ideas for the implementation of a small-scale quantum computer using electron spins in lateral GaAs/AlGaAs quantum dots. Initialization is based on leads in the quantum Hall regime with tunable spin-polarization. Read-out hinges on spin-to-charge conversion via spin-selective tunneling to or from the leads, followed by measurement of the number of electron charges on the dot via a charge detector. Single-qubit manipulation relies on a microfabricated wire located close to the quantum dot, and two-qubit interactions are controlled via the tunnel barrier connecting the respective quantum dots. Based on these ideas, we have begun a series of experiments in order to demonstrate unitary control and to measure the coherence time of individual electron spins in quantum dots.
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"date_created": "2026-03-02T18:01:52.029000Z",
"date_modified": "2026-03-02T18:01:52.029000Z",
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"abstract": "We present a set of concrete and realistic ideas for the implementation of a\nsmall-scale quantum computer using electron spins in lateral GaAs/AlGaAs\nquantum dots. Initialization is based on leads in the quantum Hall regime with\ntunable spin-polarization. Read-out hinges on spin-to-charge conversion via\nspin-selective tunneling to or from the leads, followed by measurement of the\nnumber of electron charges on the dot via a charge detector. Single-qubit\nmanipulation relies on a microfabricated wire located close to the quantum dot,\nand two-qubit interactions are controlled via the tunnel barrier connecting the\nrespective quantum dots. Based on these ideas, we have begun a series of\nexperiments in order to demonstrate unitary control and to measure the\ncoherence time of individual electron spins in quantum dots.",
"arxiv_id": "quant-ph/0207059",
"authors": [
"L. M. K. Vandersypen",
"R. Hanson",
"L. H. Willems van Beveren",
"J. M. Elzerman",
"J. S. Greidanus",
"S. De Franceschi",
"L. P. Kouwenhoven"
],
"categories": [
"quant-ph",
"cond-mat"
],
"title": "Quantum Computing with Electron Spins in Quantum Dots",
"url": "https://arxiv.org/abs/quant-ph/0207059"
},
"schema_id": "dorsal/arxiv",
"source": {
"execution_id": "e9fe104b-0468-4ba9-8de6-761ba36dcd49",
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"variant": "snapshot-2026-03-01",
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