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Superconducting qubits coupled to torsional resonators

Authors
Hwang, Myung-JoongChoi, Jae-HyukChoi, Mahn-Soo
Issue Date
8-Sep-2010
Publisher
IOP PUBLISHING LTD
Citation
JOURNAL OF PHYSICS-CONDENSED MATTER, v.22, no.35
Indexed
SCIE
SCOPUS
Journal Title
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume
22
Number
35
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/115692
DOI
10.1088/0953-8984/22/35/355301
ISSN
0953-8984
Abstract
We propose a scheme of strong and tunable coupling between a superconducting phase qubit and a nanomechanical torsional resonator. In our scheme the torsional resonator directly modulates the largest energy scale (the Josephson coupling energy) of the phase qubit, and the coupling strength is very large. We analyze the quantum correlation effects in the torsional resonator as a result of the strong coupling to the phase qubit.
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