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Distance Measurement and Wave Dispersion in a Liouville-String Approach to Quantum Gravity

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arxiv hep-th/9605211 v1 pith:GN74R26S submitted 1996-05-29 hep-th gr-qc

G. Amelino-Camelia , J. Ellis , N.E. Mavromatos , D.V. Nanopoulos This is my paper · ORCID
classification hep-thgr-qc
keywords approachdispersiondistanceeffectserrorfoamlow-energymeasurement
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Within a Liouville approach to non-critical string theory, we discuss space-time foam effects on the propagation of low-energy particles. We find an induced frequency-dependent dispersion in the propagation of a wave packet, and observe that this would affect the outcome of measurements involving low-energy particles as probes. In particular, the maximum possible order of magnitude of the space-time foam effects would give rise to an error in the measurement of distance comparable to that independently obtained in some recent heuristic quantum-gravity analyses. We also briefly compare these error estimates with the precision of astrophysical measurements.

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Cited by 5 Pith papers

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