期刊
INTERNATIONAL JOURNAL OF MODERN PHYSICS D
卷 10, 期 6, 页码 905-912出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S0218271801001396
关键词
cosmological constant problem; Kaluza-Klein theory; superstrings; supergravity
We present technical results which extend previous work and show that the cosmological constant of general relativity is an artefact of the reduction to 4D of 5D Kaluza-Klein theory (or 10D superstrings and 11D supergravity). We argue that the distinction between matter and vacuum is artificial in the context of ND field theory. The concept of a cosmological constant (which measures the energy density of the vacuum in 4D) should be replaced by that of a series of variable fields whose sum is determined by a solution of ND field equations in a well-defined manner.
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