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Synthetic Hilbert Space Engineering of Molecular Qudits: Isotopologue Chemistry

Wernsdorfer, W. 1; Ruben, M. 2
1 Physikalisches Institut (PHI), Karlsruher Institut für Technologie (KIT)
2 Institut für QuantenMaterialien und Technologien (IQMT), Karlsruher Institut für Technologie (KIT)


One of the most ambitious technological goals is the development of devices working under the laws of quantum mechanics. Among others, an important challenge to be resolved on the way to such breakthrough technology concerns the scalability of the available Hilbert space. Recently, proof-of-principle experiments were reported, in which the implementation of quantum algorithms (the Grover’s search algorithm, iSWAP-gate, etc.) in a single-molecule nuclear spin qudit (with d = 4) known as ¹⁵⁹TbPc₂ was described, where the nuclear spins of lanthanides are used as a quantum register to execute simple quantum algorithms. In this progress report, the goal of linear and exponential up-scalability of the available Hilbert space expressed by the quditdimension “d” is addressed by synthesizing lanthanide metal complexes as quantum computing hardware. The synthesis of multinuclear large-Hilbertspace complexes has to be carried out under strict control of the nuclear spin degree of freedom leading to isotopologues, whereby electronic coupling between several nuclear spin units will exponentially extend the Hilbert space available for quantum information processing. ... mehr

Verlagsausgabe §
DOI: 10.5445/IR/1000092873
Veröffentlicht am 10.04.2019
DOI: 10.1002/adma.201806687
Zitationen: 44
Web of Science
Zitationen: 42
Zitationen: 50
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Nanotechnologie (INT)
Institut für QuantenMaterialien und Technologien (IQMT)
Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2019
Sprache Englisch
Identifikator ISSN: 0935-9648, 1521-4095
KITopen-ID: 1000092873
HGF-Programm 43.21.04 (POF III, LK 01) Molecular Engineering
Erschienen in Advanced materials
Verlag John Wiley and Sons
Band 31
Heft 26
Seiten Art,-Nr.: 1806687
Vorab online veröffentlicht am 25.02.2019
Nachgewiesen in Dimensions
Web of Science
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