cosmological constant

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cosmological constant

n.
A constant introduced into the general theory of relativity, proportional to the energy density of the vacuum, and related to the rate of expansion or contraction of the universe. The vacuum energy represented by the cosmological constant is a form of dark energy.
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Noun1.cosmological constant - an arbitrary constant in the equations of general relativity theory
constant - a number representing a quantity assumed to have a fixed value in a specified mathematical context; "the velocity of light is a constant"
Translations
kosmologinen vakio
References in periodicals archive ?
This fact drives interest in a multiverse solution, in which different causally disconnected domains may be able to possess different effective cosmological constants.
Negative cosmological constants cause deceleration, while positive values have a repulsive effect that tends to accelerate expansion.
That is, humanity can exist only with the specific scale of the numerical values of the cosmological constants.