Research PapersNo Access

On the Space–Time Uncertainty Relations of Liouville Strings and D-Branes

G. Amelino-Camelia

Department of Physics (Theoretical Physics), University of Oxford, 1 Keble Road, Oxford OX1 3NP, UK

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N. E. Mavromatos

Department of Physics (Theoretical Physics), University of Oxford, 1 Keble Road, Oxford OX1 3NP, UK

P.P.A.R.C. Advanced Fellow

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John Ellis

Theory Division, CERN, CH-1211 Geneva 23, Switzerland

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, and

D. V. Nanopoulos

Center for Theoretical Physics, Department of Physics, Texas A&M University, College Station, TX 77843-4242, USA

Astroparticle Physics Group, Houston Advanced Research Center (HARC), The Mitchell Campus, Woodlands, TX 77381, USA

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https://doi.org/10.1142/S0217732397002077Cited by:37 (Source: Crossref)

Abstract

Within a Liouville approach to noncritical string theory, we argue for a nontrivial commutation relation between space and time observables, leading to a nonzero space–time uncertainty relation δx δt>0, which vanishes in the limit of weak string coupling.