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Examples ofcosmological constant
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The current standard model of particle physics has 25 freely adjustable parameters with an additional parameter, thecosmologicalconstant, for gravitation.
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This example is from Wikipedia and may be reused under a CC BY-SA license.In physical cosmology, the energy of the cosmological vacuum appears as thecosmologicalconstant.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Instead, thecosmologicalconstantgradually diminishes over many cycles to the small value observed today.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Quintessence differs from thecosmologicalconstantin that it can vary in space and time.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Scalar fields that do change in space can be difficult to distinguish from acosmologicalconstantbecause the change may be extremely slow.
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This example is from Wikipedia and may be reused under a CC BY-SA license.So, he added acosmologicalconstantto the equation to attempt to get rid of the beginning.
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The evidence is also strong that the mechanism for the acceleration is due to a positivecosmologicalconstant.
From theCambridge English Corpus
For many years thecosmologicalconstantwas almost universally considered to be 0.
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This example is from Wikipedia and may be reused under a CC BY-SA license.The small but finite value of thecosmologicalconstantcan be regarded as a successful prediction in this sense.
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This example is from Wikipedia and may be reused under a CC BY-SA license.On the other hand, a universe with a large positivecosmologicalconstantwould expand too fast, preventing galaxy formation.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Some supersymmetric theories require acosmologicalconstantthat is exactly zero, which further complicates things.
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This example is from Wikipedia and may be reused under a CC BY-SA license.Some supersymmetric theories require acosmologicalconstantthat is exactly zero, which does not help because supersymmetry must be broken.
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This example is from Wikipedia and may be reused under a CC BY-SA license.General relativity and the discovery of dark energy (repulsive gravity) are taken into account, as well as thecosmologicalconstant.
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This example is from Wikipedia and may be reused under a CC BY-SA license.In cosmology, the vacuum energy is one possible explanation for thecosmologicalconstant.
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This example is from Wikipedia and may be reused under a CC BY-SA license.This change of the perspective occurred when thecosmologicalconstantor dark energy was first observed in the late 1990s.
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This example is from Wikipedia and may be reused under a CC BY-SA license.If the background universe also contains a non-vanishingcosmologicalconstant, then is required to be the same inside and outside of the void.
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This example is from Wikipedia and may be reused under a CC BY-SA license.It assumes that thecosmologicalconstantis exactly zero, which is only the case for models with exact unbroken supersymmetry.
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This example is from Wikipedia and may be reused under a CC BY-SA license.It is assumed that thecosmologicalconstantequals zero.
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This example is from Wikipedia and may be reused under a CC BY-SA license.However, the largest part comes from so-called dark energy, which accounts for thecosmologicalconstantterm.
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This example is from Wikipedia and may be reused under a CC BY-SA license.In alternative theories of gravity, acosmologicalconstantcan be added to the action in exactly the same way.
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This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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