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DOI: 10.5445/IR/1000035317
Veröffentlicht am 25.05.2018
DOI: 10.1088/1367-2630/13/6/063015
Zitationen: 8
Web of Science
Zitationen: 5

Entangling microscopic defects via a macroscopic quantum shuttle

Grabovskij, G. J.; Bushev, P.; Cole, J. H.; Müller, C.; Lisenfeld, J.; Lukashenko, A.; Ustinov, A. V.

In the microscopic world, multipartite entanglement has been achieved with various types of nanometer-sized two-level systems such as trapped ions, atoms and photons. On the macroscopic scale ranging from micrometers to millimeters, recent experiments have demonstrated bipartite and tripartite entanglement for electronic quantum circuits with superconducting Josephson junctions. It remains challenging to bridge these largely different length scales by constructing hybrid quantum systems. Doing so may allow us to manipulate the entanglement of individual microscopic objects separated by macroscopically large distances in a quantum circuit. Here we report on the experimental demonstration of induced coherent interaction between two intrinsic two-level states (TLSs) formed by atomic-scale defects in a solid via a superconducting phase qubit. The tunable superconducting circuit serves as a shuttle communicating quantum information between the two microscopic TLSs.We present a detailed comparison between experiment and theory and find excellent agreement over a wide range of parameters.We then use the theoretical model to study the creat ... mehr

Zugehörige Institution(en) am KIT Institut für Theoretische Festkörperphysik (TFP)
Institut für Theorie der Kondensierten Materie (TKM)
Physikalisches Institut (PHI)
Publikationstyp Zeitschriftenaufsatz
Jahr 2011
Sprache Englisch
Identifikator ISSN: 1367-2630
URN: urn:nbn:de:swb:90-353177
KITopen ID: 1000035317
Erschienen in New journal of physics
Band 13
Heft 6
Seiten 063015/1-11
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