dorsal/arxiv
View SchemaQuantum Non-Demolition Bell State Measurement and N-party GHZ State Preparation in Quantum Dot
| Authors | Guo-Ping Guo, Hui Zhang, Guang-Can Guo |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0511242 |
| URL | https://arxiv.org/abs/quant-ph/0511242 |
| DOI | 10.1142/S0217984907013237 |
| Journal | Modern Physics Letters B Vol 21, No. 14 (2007) 867-874 |
Abstract
By exploiting the fermionic qubit parity measurement, we present a scheme to realize quantum non-demolition (QND) measurement of Bell-states and generate n-party GHZ state in quantum dot. Compared with the original protocol, the required electron transfer before and after parity measurement can be nonadiabatic, which may speed up the operation speed and make the omitting of spin-orbit interaction more reasonable. This may help us to construct CNOT gate without highly precise control of coupling as the way of D. Gottesman and I. L. Chuang.
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"abstract": "By exploiting the fermionic qubit parity measurement, we present a scheme to\nrealize quantum non-demolition (QND) measurement of Bell-states and generate\nn-party GHZ state in quantum dot. Compared with the original protocol, the\nrequired electron transfer before and after parity measurement can be\nnonadiabatic, which may speed up the operation speed and make the omitting of\nspin-orbit interaction more reasonable. This may help us to construct CNOT gate\nwithout highly precise control of coupling as the way of D. Gottesman and I. L.\nChuang.",
"arxiv_id": "quant-ph/0511242",
"authors": [
"Guo-Ping Guo",
"Hui Zhang",
"Guang-Can Guo"
],
"categories": [
"quant-ph"
],
"doi": "10.1142/S0217984907013237",
"journal_ref": "Modern Physics Letters B Vol 21, No. 14 (2007) 867-874",
"title": "Quantum Non-Demolition Bell State Measurement and N-party GHZ State Preparation in Quantum Dot",
"url": "https://arxiv.org/abs/quant-ph/0511242"
},
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