关于干涉引力波探测器中试验质量悬浮液的滞弹性效应和热噪声的注记
Notes on anelastic effects and thermal noise in suspensions of test masses in interferometric gravitational-wave detectors
摘要：
热噪声是影响干涉型引力波探测器（如LIGO和VIRGO）灵敏度的主要限制因素之一。在50和200 Hz之间的重要频率范围内，干涉仪的测试质量和悬挂模式的内部模式的热波动将主导噪声频谱。假设试验质量和悬浮液中的损失主要是由于其材料中的内摩擦引起的，这与固体中的滞弹性效应有关。本文是关于摆悬滞弹性和热噪声理论的一些基本结果。这本书绝不是完整的，集中在作者感兴趣的方面。
英文摘要：
The thermal noise is expected to be one of the main limiting factors on the sensitivity of interferometric gravitational-wave detectors like LIGO and VIRGO. Thermal fluctuations of internal modes of the interferometer's test masses and of suspension modes will dominate the noise spectrum at the important frequency range between 50 and 200 Hz. It is assumed that losses in the test masses and suspensions will occur mainly due to internal friction in their materials, which is related to anelasticity effects in solids. The present notes comprise some basic results on the theory of anelasticity and thermal noise in pendulum suspensions. This collection is by no means complete and focus on aspects which are of interest for the author.
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