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Titolo:
Isotopically engineered silicon/silicon-germanium nanostructures as basic elements for a nuclear spin quantum computer
Autore:
Shlimak, I; Safarov, VI; Vagner, ID;
Indirizzi:
Bar Ilan Univ, Dept Phys, Jack & Pearl Resnick Inst Adv Technol, IL-52900 Ramat Gan, Israel Bar Ilan Univ Ramat Gan Israel IL-52900 hnol, IL-52900 Ramat Gan, Israel Univ Aix Marseille 2, GPEC, Dept Phys, Fac Sci Luminy, F-13288 Marseille, France Univ Aix Marseille 2 Marseille France F-13288 F-13288 Marseille, France Max Planck Inst Festkorperforsch, Grenoble High Magnet Field Lab, CRNS, F-38042 Grenoble, France Max Planck Inst Festkorperforsch Grenoble France F-38042 renoble, France Holon Inst Technol, Dept Commun Engn, IL-58102 Holon, Israel Holon Inst Technol Holon Israel IL-58102 un Engn, IL-58102 Holon, Israel
Titolo Testata:
JOURNAL OF PHYSICS-CONDENSED MATTER
fascicolo: 26, volume: 13, anno: 2001,
pagine: 6059 - 6065
SICI:
0953-8984(20010702)13:26<6059:IESNAB>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
METAL-INSULATOR-TRANSITION; ATOMIC-FORCE MICROSCOPE; ELECTRICAL DETECTION; MAGNETIC-RESONANCE; COMPUTATION; SILICON; HETEROSTRUCTURES; OXIDATION; SYSTEMS; GROWTH;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
31
Recensione:
Indirizzi per estratti:
Indirizzo: Shlimak, I Bar Ilan Univ, Dept Phys, Jack & Pearl Resnick Inst Adv Technol, IL-52900 Ramat Gan, Israel Bar Ilan Univ Ramat Gan Israel IL-52900 900 Ramat Gan, Israel
Citazione:
I. Shlimak et al., "Isotopically engineered silicon/silicon-germanium nanostructures as basic elements for a nuclear spin quantum computer", J PHYS-COND, 13(26), 2001, pp. 6059-6065

Abstract

The idea of quantum computation is the most promising recent development in the high-tech domain, while experimental realization of a quantum computer poses a formidable challenge. Among the proposed models especially attractive are semiconductor based nuclear spin quantum computers (S-NSQCs), where nuclear spins are used as quantum bistable elements,'qubits', coupled to the electron spin and orbital dynamics. We propose here a scheme for implementation of basic elements for S-NSQCs which are realizable within achievements of the modern nanotechnology. These elements are expected to be based on a nuclear-spin-controlled isotopically engineered Si/SiGe heterojunction, because in these semiconductors one can vary the abundance of nuclear spins by engineering the isotopic composition. A specific device is suggested,which allows one to model the processes of recording, reading and information transfer on a quantum level using the technique of electrical detectionof the magnetic state of nuclear spins. Improvement of this technique for a semiconductor system with a relatively small number of nuclei might be applied to the manipulation of nuclear spin 'qubits' in the future S-NSQCs.

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Documento generato il 02/10/20 alle ore 01:54:57