Investigation of coherent microscopic defects inside the tunneling barrier of a Josephson junction

Investigation of coherent microscopic defects inside the tunneling barrier of a Josephson junction

In disordered solids, two-level atomic-tunneling systems are present in large quantity. Only recently, superconducting qubits opened a door for a detection and individual coherent manipulation of such microscopic quantum systems. We succeeded to tune the resonance frequencies of these systems by app...

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Bibliographic Details
Main Author: Grabovskij, Grigorij Jur'evic (auth)
Format: Electronic Book Chapter
Language:English
Published: KIT Scientific Publishing 2014
Series:Experimental Condensed Matter Physics / Karlsruher Institut für Technologie, Physikalisches Institut
Subjects:
Physics
two-level systemQuantenbit
Qubit
qubit
Superconducting qubit
TunnelsystemQuantum bit
TLS
tunneling system
phase qubit
Online Access:DOAB: download the publication
DOAB: description of the publication
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Summary:In disordered solids, two-level atomic-tunneling systems are present in large quantity. Only recently, superconducting qubits opened a door for a detection and individual coherent manipulation of such microscopic quantum systems. We succeeded to tune the resonance frequencies of these systems by applying external strain on the qubit chip. Moreover, we observed and analyzed the interaction between two coupled tunneling systems.
Physical Description:1 electronic resource (111 p. p.)
ISBN:KSP/1000040666
9783731502104
Access:Open Access

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