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Lamoreaux SK, Buttler WT. Thermal noise limitations to force measurements with torsion pendulums: applications to the measurement of the Casimir force and its thermal correction. Phys Rev E Stat Nonlin Soft Matter Phys. 2005;71(3):036109doi: 10.1103/PhysRevE.71.036109.
Lamoreaux, S. K., & Buttler, W. T. (2005). Thermal noise limitations to force measurements with torsion pendulums: applications to the measurement of the Casimir force and its thermal correction. Physical review. E, Statistical, nonlinear, and soft matter physics, 71(3), 036109. https://doi.org/10.1103/PhysRevE.71.036109
Lamoreaux, S K, and Buttler, W T. "Thermal noise limitations to force measurements with torsion pendulums: applications to the measurement of the Casimir force and its thermal correction." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 71,3 (2005): 036109. doi: https://doi.org/10.1103/PhysRevE.71.036109
Lamoreaux SK, Buttler WT. Thermal noise limitations to force measurements with torsion pendulums: applications to the measurement of the Casimir force and its thermal correction. Phys Rev E Stat Nonlin Soft Matter Phys. 2005 Mar;71(3):036109. doi: 10.1103/PhysRevE.71.036109. Epub 2005 Mar 11. PMID: 15903495.
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Phys Rev E Stat Nonlin Soft Matter Phys. 2005 Mar;71(3):036109. doi: 10.1103/PhysRevE.71.036109. Epub 2005 Mar 11.

Thermal noise limitations to force measurements with torsion pendulums: applications to the measurement of the Casimir force and its thermal correction.

Physical review. E, Statistical, nonlinear, and soft matter physics

S K Lamoreaux, W T Buttler

Affiliations

  1. University of California, Los Alamos National Laboratory, Physics Division, P-23, M.S. H803, Los Alamos, NM 87545, USA.

PMID: 15903495 DOI: 10.1103/PhysRevE.71.036109

Abstract

A general analysis of thermal noise in torsion pendulums is presented. The specific case where the torsion angle is kept fixed by electronic feedback is analyzed. This analysis is applied to a recent experiment that employed a torsion pendulum to measure the Casimir force. The ultimate limit to the distance at which the Casimir force can be measured to high accuracy is discussed, and in particular we elaborate on the prospects for measuring the thermal correction.

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