The Weight of the Vacuum by Helge S. Kragh & James M. Overduin

Author:Helge S. Kragh & James M. Overduin
Language: eng
Format: epub
Publisher: Springer Berlin Heidelberg, Berlin, Heidelberg

It is the presence of lambda, the “cosmological constant” of Einstein, in the equations that not only closes up the universe, ... but also provides the possibility of its changing its size. Why it expands and does not shrink, we do not know. ... The expansion depends on the lambda alone. To some it may sound unsatisfactory that we are not able to point out the mechanism by which the lambda contrives to do it. But there it is, we cannot go beyond the mathematical equations, and ... the behavior of lambda is not more strange or mysterious than that of the constant of gravitation kappa, to say nothing of the quantum-constant , or the velocity of light .

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