Macroscopic quantum mechanics: theory and experimental concepts of optomechanics

被引:213
作者
Chen, Yanbei [1 ]
机构
[1] CALTECH, Pasadena, CA 91125 USA
基金
美国国家科学基金会;
关键词
GRAVITATIONAL-WAVE DETECTORS; PARAMETRIC TRANSDUCER; RADIATION-PRESSURE; THERMAL NOISE; BACK-ACTION; SHOT-NOISE; OSCILLATOR; CAVITY; GRAVITY; LIGHT;
D O I
10.1088/0953-4075/46/10/104001
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Rapid experimental progress has recently allowed the use of light to prepare macroscopic mechanical objects into nearly pure quantum states. This research field of quantum optomechanics opens new doors towards testing quantum mechanics, and possibly other laws of physics, in new regimes. In the first part of this article, I will review a set of techniques of quantum measurement theory that are often used to analyse quantum optomechanical systems. Some of these techniques were originally designed to analyse how a classical driving force passes through a quantum system, and can eventually be detected with an optimal signal-to-noise ratio-while others focus more on the quantum-state evolution of a mechanical object under continuous monitoring. In the second part of this article, I will review a set of experimental concepts that will demonstrate quantum mechanical behaviour of macroscopic objects-quantum entanglement, quantum teleportation and the quantum Zeno effect. Taking the interplay between gravity and quantum mechanics as an example, I will review a set of speculations on how quantum mechanics can be modified for macroscopic objects, and how these speculations-and their generalizations-might be tested by optomechanics.
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页数:50
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