Affiliation:
1. Dipartimento di Fisica, Universitá "La Sapienza", P.le Moro 2, I-00185 Roma, Italy
Abstract
I show that it is possible to formulate the Relativity postulates in a way that does not lead to inconsistencies in the case of spacetimes whose short-distance structure is governed by an observer-independent length scale. The consistency of these postulates proves incorrect the expectation that modifications of the rules of kinematics involving the Planck length would necessarily require the introduction of a preferred class of inertial observers. In particular, it is possible for every inertial observer to agree on physical laws supporting deformed dispersion relations of the type E2-c2 p2-c4m2 + f(E, p, m; L p ) =0, at least for certain types of f.
Publisher
World Scientific Pub Co Pte Lt
Subject
Space and Planetary Science,Astronomy and Astrophysics,Mathematical Physics
Cited by
917 articles.
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