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cond-mat.supr-con2008★ 91 cited
Consistency of ground state and spectroscopic measurements on flux qubits
A. Izmalkov, S. H. W. van der Ploeg, S. N. Shevchenko +5
We compare the results of ground state and spectroscopic measurements carried out on superconducting flux qubits which are effective two-level quantum systems. For a single qubit a…
cond-mat.supr-con2003★ 70 cited
Low-frequency measurement of the tunneling amplitude in a flux qubit
M. Grajcar, A. Izmalkov, E. Il'ichev +13
We have observed signatures of resonant tunneling in an Al three-junction qubit, inductively coupled to a Nb LC tank circuit. The resonant properties of the tank oscillator are sen…