Quantum dynamics of a microwave driven superconducting phase qubit coupled to a two-level system

被引：13

作者：

Sun, Guozhu ^{[1
,2
]}

Wen, Xueda ^{[3
]}

Mao, Bo ^{[2
]}

Zhou, Zhongyuan ^{[4
]}

Yu, Yang ^{[3
]}

Wu, Peiheng ^{[1
]}

Han, Siyuan ^{[2
]}

机构：

[1] Nanjing Univ, Sch Elect Sci & Engn, Res Inst Supercond Elect, Nanjing 210093, Peoples R China

[2] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA

[3] Nanjing Univ, Sch Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[4] Univ Kansas, Dept Chem, Lawrence, KS 66045 USA

来源：

PHYSICAL REVIEW B | 2010年 / 82卷 / 13期

关键词：

RABI OSCILLATIONS; STATE;

D O I：

10.1103/PhysRevB.82.132501

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present an analytical and comprehensive description of the quantum dynamics of a microwave resonantly driven superconducting phase qubit coupled to a microscopic two-level system (TLS), covering a wide range of the external microwave field strength. Our model predicts several interesting phenomena in such an ac driven four-level bipartite system including anomalous Rabi oscillations, high-contrast beatings of Rabi oscillations, and extraordinary two-photon transitions. Our experimental results in a coupled qubit-TLS system agree quantitatively very well with the predictions of the theoretical model.

引用

页数：4

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