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Thermal noise in mechanical experiments
Abstract
The fluctuation-dissipation theorem is applied to the case of low-dissipation mechanical oscillators, whose losses are dominated by processes occurring inside the material of which the oscillators are made. In the common case of losses described by a complex spring constant with a constant imaginary part, the thermal noise displacement power spectrum is steeper by one power of $\ensuremath{\omega}$ than is predicted by a velocity-damping model. I construct models for the thermal noise spectra of systems with more than one mode of vibration, and evaluate a model of a specific design of pendulum suspension for the test masses in a gravitational-wave interferometer.
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Citations
Cited by
Aspelmeyer, M., Kippenberg, T. J., & Marquardt, F. (2014) · Reviews of Modern Physics · doi:10.1103/revmodphys.86.1391 · Cited by 5,501
GW150914: The Advanced LIGO Detectors in the Era of First Discoveries
Abbott, B. P., Abbott, R., Abbott, T. D., Abernathy, M. R., Acernese, F., Ackley, K., Adams, C., Adams, T., Addesso, P., Adhikari, R. X., et al. (2016) · Physical Review Letters · doi:10.1103/physrevlett.116.131103 · Cited by 747
Self-citationSubmillimeter tests of the gravitational inverse-square law
Hoyle, C. D., Kapner, D. J., Heckel, B. R., Adelberger, E. G., Gundlach, J. H., Schmidt, U., & Swanson, H. E. (2004) · Physical Review D · doi:10.1103/physrevd.70.042004 · Cited by 459
MICROSCOPE’s view at gravitation
Bergé, J. (2023) · Reports on Progress in Physics · doi:10.1088/1361-6633/acd203 · Cited by 12
Metadata
- Authors
- Saulson, P. R.
- Venue
- Physical Review D
- Publisher
- American Physical Society (APS)
- Published
- 1990-10-15
- Volume
- 42
- Issue
- 8
- Pages
- 2437-2445
- ISSN
- 0556-2821 (ISSN-L)
- OpenAlex
- W2123955659
- Cited by
- 852
- References
- 0
- FWCI
- 9.72
- Type
- journal article
- Language
- en
- Open access
- closed
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