Nondeterministic ultrafast ground-state cooling of a mechanical resonator

被引：57

作者：

Li, Yong ^{[1
]}

Wu, Lian-Ao ^{[2
,3
]}

Wang, Ying-Dan ^{[4
,5
]}

Yang, Li-Ping ^{[1
,6
]}

机构：

[1] Beijing Computat Sci Res Ctr, Beijing 100084, Peoples R China

[2] Univ Basque Country, Dept Theoret Phys & Hist Sci, E-48080 Bilbao, Spain

[3] Basque Fdn Sci, IKERBASQUE, E-48011 Bilbao, Spain

[4] Univ Basel, Dept Phys, CH-4056 Basel, Switzerland

[5] McGill Univ, Dept Phys, Montreal, PQ H3A 2T8, Canada

[6] Chinese Acad Sci, Inst Theoret Phys, Beijing 100190, Peoples R China

来源：

PHYSICAL REVIEW B | 2011年 / 84卷 / 09期

关键词：

PERSISTENT-CURRENT QUBIT; NANOMECHANICAL RESONATOR; RADIATION-PRESSURE; FLUX QUBIT; CAVITY; MICROMIRROR; OSCILLATOR; MOTION; SYSTEM;

D O I：

10.1103/PhysRevB.84.094502

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We present a feasible scheme for the cooling of a mechanical resonator via projective measurements on an auxiliary flux qubit which interacts with it. We find that ground-state cooling can be achieved with several random-time-interval measurements. The cooling efficiency hardly depends on the time intervals between any two consecutive measurements. The cooling scheme is also robust against environmental noise.

引用

页数：5

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