Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
2005-08-08
Mod.Phys.Lett.A21:639-648,2006
Physics
High Energy Physics
High Energy Physics - Theory
LaTex, 9 pages, no figure. typos corrected and some discussions improved
Scientific paper
10.1142/S0217732306019785
By considering a new form of dimensional reduction for noncommutative field
theory, we show that the signature of spacetime may be changed. In particular,
it is demonstrated that a temporal dimension can emerge from a purely Euclidean
geometry. We suggest that this mechanism may hint at the origin of time in the
fundamental theory of quantum gravity.
Chu Chong-Sun
Lechtenfeld Olaf
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