dorsal/arxiv
View SchemaQuantum state transfer in imperfect artificial spin networks
| Authors | M. Paternostro, G. M. Palma, M. S. Kim, G. Falci |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0407058 |
| URL | https://arxiv.org/abs/quant-ph/0407058 |
| DOI | 10.1103/PhysRevA.71.042311 |
| Journal | Phys. Rev. A 71, 042311 (2005). |
Abstract
High-fidelity quantum computation and quantum state transfer are possible in short spin chains. We exploit a system based on a dispersive qubit-boson interaction to mimic XY coupling. In this model, the usually assumed nearest-neighbors coupling is no more valid: all the qubits are mutually coupled. We analyze the performances of our model for quantum state transfer showing how pre-engineered coupling rates allow for nearly optimal state transfer. We address a setup of superconducting qubits coupled to a microstrip cavity in which our analysis may be applied.
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"abstract": "High-fidelity quantum computation and quantum state transfer are possible in\nshort spin chains. We exploit a system based on a dispersive qubit-boson\ninteraction to mimic XY coupling. In this model, the usually assumed\nnearest-neighbors coupling is no more valid: all the qubits are mutually\ncoupled. We analyze the performances of our model for quantum state transfer\nshowing how pre-engineered coupling rates allow for nearly optimal state\ntransfer. We address a setup of superconducting qubits coupled to a microstrip\ncavity in which our analysis may be applied.",
"arxiv_id": "quant-ph/0407058",
"authors": [
"M. Paternostro",
"G. M. Palma",
"M. S. Kim",
"G. Falci"
],
"categories": [
"quant-ph",
"cond-mat.mes-hall"
],
"doi": "10.1103/PhysRevA.71.042311",
"journal_ref": "Phys. Rev. A 71, 042311 (2005).",
"title": "Quantum state transfer in imperfect artificial spin networks",
"url": "https://arxiv.org/abs/quant-ph/0407058"
},
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