On the precision of a length measurement

Calmet, Xavier (2008) On the precision of a length measurement. European Physical Journal C: Particles and Fields, 54 (3). pp. 501-505. ISSN 1434-6044

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Abstract

We show that quantum mechanics and general relativity imply the existence of a minimal length. To be more precise, we show that no operational device subject to quantum mechanics, general relativity and causality could exclude the discreteness of spacetime on lengths shorter than the Planck length. We then consider the fundamental limit coming from quantum mechanics, general relativity and causality on the precision of length measurement.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Subjects: Q Science > QC Physics
Depositing User: Xavier Calmet
Date Deposited: 06 Feb 2012 21:17
Last Modified: 23 Jul 2012 12:54
URI: http://sro.sussex.ac.uk/id/eprint/30604
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