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cond-mat.supr-con2015★ 20 cited
Dynamic transition in Landau-Zener-Stückelberg interferometry of dissipative systems: the case of the flux qubit
Alejandro Ferron, Daniel Dominguez, Maria Jose Sanchez
We study Landau-Zener-Stuckelberg (LZS) interferometry in multilevel systems coupled to an Ohmic quantum bath. We consider the case of superconducting flux qubits driven by a dc+ac…
cond-mat.supr-con2009★ 25 cited
Intrinsic leakage of the Josephson flux qubit and breakdown of the two-level approximation for strong driving
Alejandro Ferron, Daniel Dominguez
Solid state devices for quantum bit computation (qubits) are not perfect isolated two-level systems, since additional higher energy levels always exist. One example is the Josephso…