A COSMOLOGICAL CONSTANT WITH D4 xS1 xM5COMPACTIFICATION OF CHIRAL CLOSED STRING

Chin. Phys. Lett.

1989, Vol. 6

Issue (3): 141-144 DOI:

Original Articles

A COSMOLOGICAL CONSTANT WITH D⁴ xS¹ xM⁵COMPACTIFICATION OF CHIRAL CLOSED STRING

YAN Jun^*;LI Jiangnan;HU Shike

^*Southwest Institute of Applied Magnetics, Chengdu Department of Physics, Sichuan University, Chengdu

Cite this article:

YAN Jun, LI Jiangnan, HU Shike 1989 Chin. Phys. Lett. 6 141-144

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Abstract A cosmological constant has been derived from compactification of chiral closed-string. The (3+l)-dimensional space-time D⁴ has de-Sitter or anti-de-Sitter geometry. The compact space M⁵ is a Einstein manifold or a hyperbolic manifold. Some properties about tachyon and massless ghost have been discussed.

Published: 01 March 1989

PACS:

9880

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1989/V6/I3/0141

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