Measurement of the Josephson Junction Phase Qubits by a Microstrip Resonator
Quantum Physics
2009-12-21 v1
Abstract
The process of measurement of a phase qubit by a resonant microwave cavity is considered for various interactions between the qubit and the cavity. A novel quasiclassical approach is described based on adiabatic reversals of the qubit state by an effective field. A similar approach was implemented earlier for the detection of electron and nuclear spins using magnetic resonance force microscopy (MRFM), but this approach has not previously been used for the measurement of a quantum state. Quasiclassical and quantum regimes are described. We consider both linear and nonlinear resonators. The effects of the environment on the process of measurement are also analyzed.
Keywords
Cite
@article{arxiv.0912.3791,
title = {Measurement of the Josephson Junction Phase Qubits by a Microstrip Resonator},
author = {Gennady P. Berman and Alan R. Bishop and Aleksandr A. Chumak and Darin Kinion and Vladimir I. Tsifrinovich},
journal= {arXiv preprint arXiv:0912.3791},
year = {2009}
}
Comments
42 pages, 14 figures