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Advances in the Casimir Effect$
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Michael Bordag, Galina Leonidovna Klimchitskaya, Umar Mohideen, and Vladimir Mikhaylovich Mostepanenko

Print publication date: 2009

Print ISBN-13: 9780199238743

Published to Oxford Scholarship Online: September 2009

DOI: 10.1093/acprof:oso/9780199238743.001.0001

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Measurements of the Casimir Force Between Metals

Measurements of the Casimir Force Between Metals

Advances in the Casimir Effect

M. Bordag

G. L. Klimchitskaya

U. Mohideen

V. M. Mostepanenko

Oxford University Press

This chapter starts chronologically with the first measurement, by means of a torsion pendulum, in the recent phase of Casimir force experiments. Then the main breakthroughs in the measurement of the Casimir force between metallic surfaces are presented. One of them was the first demonstration of corrections to the Casimir force due to the nonzero skin depth and surface roughness by means of an atomic force microscope. Another breakthrough was a series of precise indirect measurements of the Casimir pressure by means of a micromechanical torsional oscillator. These measurements allowed a definitive choice between different theoretical approaches to the thermal Casimir force for real metal surfaces. Many other experiments performed in the last few years are also presented, specifically one measurement using the configuration of two parallel plates. The chapter ends with a brief discussion of proposed experiments using metallic surfaces.

Keywords:   atomic force microscope, micromechanical torsional oscillator, torsion pendulum, piezo-electric actuator, cantilever, electrostatic calibration, patch potentials, dynamic measurement, indirect measurement, experimental errors

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