Physics
Scientific paper
Oct 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983amjph..51..919o&link_type=abstract
American Journal of Physics, Volume 51, Issue 10, pp. 919-925 (1983).
Physics
1
Special Relativity
Scientific paper
We consider two versions of Minkowski space, each of which is connected in a nontrivial way. In the first version, which corresponds physically to a static universe with one spatial dimension finite, we introduce a variation of the twin paradox in which neither twin undergoes any acceleration. The resolution of the paradox is shown to derive from the (global) anisotropy of this version of space-time. Furthermore, the (global) anisotropy is shown to imply the existence of a set of preferred inertial frames and the possibility of nonconservation of angular momentum in the absence of any torque. In the second version, which corresponds physically to a universe with one spatial dimension finite but expanding in time, we show that the (global) inhomogeneity of this version of space-time can cause nonconservation of energy and momentum in the absence of any force.
Olszewski Edward A.
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