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On the precision of a length measurement
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.
History
Publication status
- Published
Journal
European Physical Journal C: Particles and FieldsISSN
1434-6044Publisher
EDP SciencesExternal DOI
Issue
3Volume
54Page range
501-505Department affiliated with
- Physics and Astronomy Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2012-02-06Usage metrics
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