dorsal/arxiv
View SchemaScalable Ion Trap Quantum Computing without Moving Ions
| Authors | L. Tian, R. Blatt, P. Zoller |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0412186 |
| URL | https://arxiv.org/abs/quant-ph/0412186 |
| DOI | 10.1140/epjd/e2004-00172-5 |
| Journal | Eur. J. Phys. D 32, 201 (2005) |
Abstract
A hybrid quantum computing scheme is studied where the hybrid qubit is made of an ion trap qubit serving as the information storage and a solid-state charge qubit serving as the quantum processor, connected by a superconducting cavity. In this paper, we extend our previous work [1] and study the decoherence, coupling and scalability of the hybrid system. We present our calculations of the decoherence of the coupled ion - charge system due to the charge fluctuations in the solid-state system and the dissipation of the superconducting cavity under laser radiation. A gate scheme that exploits rapid state flips of the charge qubit to reduce decoherence by the charge noise is designed. We also study a superconducting switch that is inserted between the cavity and the charge qubit and provides tunable coupling between the qubits. The scalability of the hybrid scheme is discussed together with several potential experimental obstacles in realizing this scheme.
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"abstract": "A hybrid quantum computing scheme is studied where the hybrid qubit is made\nof an ion trap qubit serving as the information storage and a solid-state\ncharge qubit serving as the quantum processor, connected by a superconducting\ncavity. In this paper, we extend our previous work [1] and study the\ndecoherence, coupling and scalability of the hybrid system. We present our\ncalculations of the decoherence of the coupled ion - charge system due to the\ncharge fluctuations in the solid-state system and the dissipation of the\nsuperconducting cavity under laser radiation. A gate scheme that exploits rapid\nstate flips of the charge qubit to reduce decoherence by the charge noise is\ndesigned. We also study a superconducting switch that is inserted between the\ncavity and the charge qubit and provides tunable coupling between the qubits.\nThe scalability of the hybrid scheme is discussed together with several\npotential experimental obstacles in realizing this scheme.",
"arxiv_id": "quant-ph/0412186",
"authors": [
"L. Tian",
"R. Blatt",
"P. Zoller"
],
"categories": [
"quant-ph"
],
"doi": "10.1140/epjd/e2004-00172-5",
"journal_ref": "Eur. J. Phys. D 32, 201 (2005)",
"title": "Scalable Ion Trap Quantum Computing without Moving Ions",
"url": "https://arxiv.org/abs/quant-ph/0412186"
},
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