Sentences with phrase «from scalar fields»
In fact contributions from scalar fields which are constant in space are usually also included in the cosmological constant.
https://www.sciencedaily.com/ Not exact matches
Scalar fields which do change in space are hard to distinguish from a cosmological constant, because the change may be extremely slow.
One explanation is that dark energy is a scalar field whose properties at every point in space «roll» from one value to another.
It's called a scalar field in the jargon and that's precisely the kind of thing you might get from an extra dimension.
Sukhatme J and Pierrehumbert RT 2002: Decay of passive scalars under the action of single scale smooth velocity fields in bounded two - dimensional domains: From non-self-similar probability distribution functions to self - similar eigenmodes.