Affiliation:
1. L. D. Landau Institute for Theoretical Physics, Russian Academy of Sciences, Ulitsa Kosygina 2, Moscow 117940, Russia
2. V. A. Steklov Mathematical Institute, Russian Academy of Sciences, Ulitsa Gubkina 8, Moscow 119991, Russia
Abstract
Previously, we have shown that the Kasner solution [Formula: see text] to the D = (M+N+1)-dimensional vacuum Einstein theory [Formula: see text], where dx2 and dy2 are flat spaces of dimensionality M and N, respectively, exists only for (M - N)2 = M + N, that is D = 2+4K(K + 1), 1 + 4L2. The first three quantum numbers K = 0, 1, 2 for even D correspond to the three superstring dimensionalities D = 2, 10, 26 and are also given by the condition D = 2 mod 8 for the existence of Majorana–Weyl fermions. Here, we explain this result in terms of world-sheet symmetry and the TCP theorem applied to the superstring theory, the no-scale metric exhibiting T non-invariance which compensates the CP non-invariance due to the fermions, whose chirality thus gives the cosmological arrow of time its sense of direction.
Publisher
World Scientific Pub Co Pte Lt
Subject
General Physics and Astronomy,Astronomy and Astrophysics,Nuclear and High Energy Physics
Cited by
2 articles.
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