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quant-ph2018★ 10 cited
Magnus expansion for a chirped quantum two-level system
Peter Nalbach, Vicente Leyton
We derive a Magnus expansion for a frequency chirped quantum two-level system. We obtain a time-independent effective Hamiltonian which generates a stroboscopic time evolution. At…
quant-ph2011★ 7 cited
Qubit state detection using the quantum Duffing oscillator
V. Leyton, M. Thorwart, V. Peano
We introduce a detection scheme for the state of a qubit, which is based on resonant few-photon transitions in a driven nonlinear resonator. The latter is parametrically coupled to…