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Noduagga
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https://en.m.wikipedia.org/wiki/Vacuum_energy
And it is this type of energy dark energy or a form of it?
And it is this type of energy dark energy or a form of it?
No, one cannot repeat often enough: The Casimir effect has nothing to do with the vacuum. By definition the vacuum is empty. There's really nothing by definition, and so there cannot be forces.failexam said:Vacuum energy is usually not of interest to particle physicists, since it can be thought of as a shift in the ground state energy (usually taken to be zero) of a system.
However, vacuum energy is of interest to cosmologists because of its possible role as a source of the cosmological constant and/or dark energy which drives the expansion of the universe.
Vacuum energy also manifests in the famous so-called Casimir effect.
Or a related recent papervanhees71 said:For a thorough discussion of the facts, see the famous paper by Yaffe:
R. L. Jaffe, The Casimir effect and the quantum vacuum, Phys. Rev. D, 72 (2005), p. 021301.
http://dx.doi.org/10.1103/PhysRevD.72.021301
http://arxiv.org/abs/hep-th/0503158
This is a common question in the field of quantum mechanics. The answer is not entirely clear, as there are different theories and interpretations that offer different perspectives on the concept of vacuum energy. However, most scientists agree that the vacuum energy is not infinite.
Vacuum energy refers to the lowest possible energy state of a quantum mechanical system. It is the energy that exists in a vacuum, even in the absence of any particles or fields.
Vacuum energy plays a crucial role in our understanding of the universe. It is believed to contribute to the expansion of the universe and to the phenomenon of dark energy, which is responsible for the observed accelerated expansion of the universe.
Measuring vacuum energy is a complex and challenging task, as it is a very small and subtle effect. Scientists use various techniques, such as quantum field theory and cosmological observations, to estimate and study the properties of vacuum energy.
While the exact value of vacuum energy is still a topic of debate, most theories and calculations suggest that it is not infinite. This is because it is affected by certain physical processes, such as the Casimir effect and renormalization, which limit its magnitude and prevent it from being infinite.