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Artificial atom in quantum distributions

机译:量子分布中的人造原子

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Recently, superconducting artificial atom has been justified experimentally as an ideal element for various applications including circuit quantum electrodynamics realizing strong-coupling limit. Some of the proposed systems in this area are usually described in terms of the quantum anharmonic oscillator and display quantum dynamics in macroscopic level, giant nonlinearity as well as very strong coupling with external field and strong coupling with an environment. In this report, we investigate the quantum properties of an artificial atom as a model of multilevel anharmonic oscillator in the framework of photon number distributions as well as the Wigner functions. We concentrate on the regimes of strong driving and giant nonlinearity that allow us to consider artificial atom on the level of few excitation numbers
机译:最近,实验证明超导人造原子是实现包括强耦合极限的电路量子电动力学在内的各种应用的理想元素。通常用量子非谐振荡器描述该领域中的一些拟议系统,并在宏观水平上显示量子动力学,巨大的非线性以及与外场的强耦合和与环境的强耦合。在本报告中,我们在光子数分布和维格纳函数的框架内,研究了作为多级非谐振荡器模型的人工原子的量子性质。我们专注于强驱动和巨大非线性的机制,这些机制使我们可以在少数激发数的水平上考虑人工原子

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