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Spintronics, quantum computing, and quantum communication in quantum dots

Burkard, G. and Engel, H. A. and Loss, D.. (2002) Spintronics, quantum computing, and quantum communication in quantum dots. In: Fundamentals of quantum information. Berlin, pp. 241-265.

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Official URL: http://edoc.unibas.ch/dok/A5254688

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Abstract

The coherent manipulation, filtering, and measurement of the electron spin in solid-state nanostructures has potential applications for both conventional and quantum computation as well as for quantum communication. This article is intended as a review of our proposal to use electron spins in quantum confined structures as quantum bits (qubits). The physical requirements for implementing a quantum computer, including single- and two-qubit gate operations, phase coherence, initialization, and read-out, will be discussed. In addition, we also present recently proposed schemes for using a single quantum dot as spin-filter and spin-memory device. In the context of spintronics, it is quite natural to consider spin-entangled electron pairs as a basic resource for quantum communication; we show that the entanglement of such EPR pairs can be detected in mesoscopic transport measurements using metallic as well as superconducting leads attached to the dots.
Faculties and Departments:05 Faculty of Science > Departement Physik > Physik > Theoretische Physik Mesoscopics (Loss)
UniBasel Contributors:Loss, Daniel
Item Type:Conference or Workshop Item, refereed
Conference or workshop item Subtype:Conference Paper
Bibsysno:Link to catalogue
Publisher:Springer
ISBN:3-540-43367-8
Series Name:Lecture notes in physics
Issue Number:587
Note:Publication type according to Uni Basel Research Database: Conference paper
Identification Number:
Last Modified:22 Mar 2012 14:27
Deposited On:22 Mar 2012 13:57

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