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Two-resonator circuit QED: A superconducting quantum switch
Matteo Mariantoni, Frank Deppe, A. Marx +3
We introduce a systematic formalism for two-resonator circuit QED, where two on-chip microwave resonators are simultaneously coupled to one superconducting qubit. Within this frame…
Quantum Zeno Effect in the Quantum Non-Demolition Detection of Itinerant Photons
Ferdinand Helmer, Matteo Mariantoni, Enrique Solano +1
We analyze the detection of itinerant photons using a quantum non-demolition (QND) measurement. We show that the backaction due to the continuous measurement imposes a limit on the…
Monitoring atom-atom entanglement and decoherence in a solvable tripartite open system in cavity QED
Matteo Bina, Federico Casagrande, Alfredo Lulli +1
We present a fully analytical solution of the dynamics of two strongly-driven atoms resonantly coupled to a dissipative cavity field mode. We show that an initial atom-atom entangl…
Operational determination of multi-qubit entanglement classes via tuning of local operations
T. Bastin, C. Thiel, J. von Zanthier +3
We present a physical setup with which it is possible to produce arbitrary symmetric long-lived multiqubit entangled states in the internal ground levels of photon emitters, includ…
Quantum simulation of Anderson and Kondo lattices with superconducting qubits
Juan Jose Garcia-Ripoll, Enrique Solano, Miguel Angel Martin-Delgado
We introduce a mapping between a variety of superconducting circuits and a family of Hamiltonians describing localized magnetic impurities interacting with conduction bands. This i…
Dirac Cat States in Relativistic Landau Levels
A. Bermudez, M. A. Martin-Delgado, E. Solano
We show that a relativistic version of Schrodinger cat states, here called Dirac cat states, can be built in relativistic Landau levels when an external magnetic field couples to a…