dorsal/arxiv
View SchemaThe readout of the fullerene-based quantum computing by a scanning tunneling microscope
| Authors | M. Feng, G. J. Dong, B. Hu |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0610083 |
| URL | https://arxiv.org/abs/quant-ph/0610083 |
| DOI | 10.1088/1367-2630/8/10/252 |
Abstract
We consider to detect the electron spin of a doped atom, i.e., a nitrogen or a phosphorus, caged in a fullerene by currently available technique of the scanning tunneling microscope (STM), which actually corresponds to the readout of a qubit in the fullerene-based quantum computing. Under the conditions of polarized STM current and Coulomb blockade, we investigate the tunneling matrix elements involving the exchange coupling between the tunneling polarized electrons and the encapsulated polarized electron, and calculate the variation of the tunneling current with respect to different orientations of the encapsulated electron spin. The experimental feasibility of our scheme is discussed under the consideration of some imperfect factors.
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"abstract": "We consider to detect the electron spin of a doped atom, i.e., a nitrogen or\na phosphorus, caged in a fullerene by currently available technique of the\nscanning tunneling microscope (STM), which actually corresponds to the readout\nof a qubit in the fullerene-based quantum computing. Under the conditions of\npolarized STM current and Coulomb blockade, we investigate the tunneling matrix\nelements involving the exchange coupling between the tunneling polarized\nelectrons and the encapsulated polarized electron, and calculate the variation\nof the tunneling current with respect to different orientations of the\nencapsulated electron spin. The experimental feasibility of our scheme is\ndiscussed under the consideration of some imperfect factors.",
"arxiv_id": "quant-ph/0610083",
"authors": [
"M. Feng",
"G. J. Dong",
"B. Hu"
],
"categories": [
"quant-ph"
],
"doi": "10.1088/1367-2630/8/10/252",
"title": "The readout of the fullerene-based quantum computing by a scanning tunneling microscope",
"url": "https://arxiv.org/abs/quant-ph/0610083"
},
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