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Superconducting Qubits

Quantum entanglement for two qubits in a nonstationary cavity

arXiv
Authors: Oleg L. Berman, Roman Ya. Kezerashvili, Yurii E. Lozovik

Year

2016

Paper ID

42934

Status

Preprint

Abstract Read

~2 min

Abstract Words

72

Citations

N/A

Abstract

The quantum entanglement and the probability of the dynamical Lamb effect for two qubits caused by non-adiabatic fast change of the boundary conditions are studied. The conditional concurrence of the qubits for each fixed number of created photons in a nonstationary cavity is obtained as a measure of the dynamical quantum entanglement due to the dynamical Lamb effect. We discuss the physical realization of the dynamical Lamb effect, based on superconducting qubits.

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  • The quantum entanglement and the probability of the dynamical Lamb effect for two qubits caused by non-adiabatic fast change of the boundary conditions are studied.

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