Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2010-04-09
J. Phys.: Condens. Matter 22, 355301 (2010)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
5 pages; 2 figure; several significant changes and corrections of typos
Scientific paper
10.1088/0953-8984/22/35/355301
We propose a scheme of strong and tunable coupling between a superconducting phase qubit and 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.
Choi Jae-Hyuk
Choi Mahn-Soo
Hwang Myung-Joong
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