On the measurement of the Casimir torque

Xiang Chen; John Spence

doi:10.1002/pssb.201147150

On the measurement of the Casimir torque

Xiang Chen, John Spence

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

We discuss the possibility of measuring the recently proposed Casimir torque between bi-refringent crystals, using a torsion pendulum in dark vacuum. By simulation, we analyze the effects of precession, surface polish, and torque due to stray charge. We determine the experimental conditions under which the torque might be measured, and conclude that these are achievable with modern instrumentation, and we give an estimate of errors.

Original language	English (US)
Pages (from-to)	2064-2071
Number of pages	8
Journal	Physica Status Solidi (B) Basic Research
Volume	248
Issue number	9
DOIs	https://doi.org/10.1002/pssb.201147150
State	Published - Sep 2011

Keywords

Birefringent crystals
Casimir torque effect
Local surface charges
Stray charge

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1002/pssb.201147150

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abstract = "We discuss the possibility of measuring the recently proposed Casimir torque between bi-refringent crystals, using a torsion pendulum in dark vacuum. By simulation, we analyze the effects of precession, surface polish, and torque due to stray charge. We determine the experimental conditions under which the torque might be measured, and conclude that these are achievable with modern instrumentation, and we give an estimate of errors.",

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AB - We discuss the possibility of measuring the recently proposed Casimir torque between bi-refringent crystals, using a torsion pendulum in dark vacuum. By simulation, we analyze the effects of precession, surface polish, and torque due to stray charge. We determine the experimental conditions under which the torque might be measured, and conclude that these are achievable with modern instrumentation, and we give an estimate of errors.

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KW - Casimir torque effect

KW - Local surface charges

KW - Stray charge

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On the measurement of the Casimir torque

Abstract

Keywords

ASJC Scopus subject areas

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