How do you know that for sure to be true?mathman said:
Can we infer it from the inertial behavior of mass - e.g. of the positron and electron, which are the same in an acclerator at the same energy?MeJennifer said:How do you know that for sure to be true?
The matter-antimatter basis for dark energy is a theoretical concept that suggests that the observed acceleration of the expansion of the universe may be caused by the interactions between particles and their antiparticles. This theory proposes that there is a constant creation of matter and antimatter in the universe, and the annihilation of these particles produces a repulsive force that drives the expansion of the universe.
The annihilation of matter and antimatter produces gamma rays, which can then decay into other particles such as neutrinos. These particles, along with the leftover energy from the annihilation, can contribute to the overall energy density of the universe and potentially drive the acceleration of expansion.
Currently, there is no direct evidence to support the matter-antimatter basis for dark energy. However, some observations, such as the observed asymmetry between matter and antimatter in the universe, provide some indirect support for this theory.
There are several alternative theories that attempt to explain the observed acceleration of the expansion of the universe, including the cosmological constant, modified gravity theories, and theories involving extra dimensions. However, each of these theories also has its own limitations and challenges.
The matter-antimatter basis for dark energy is a relatively new theory that attempts to reconcile the observed acceleration of the expansion of the universe with other theories, such as the Big Bang theory and the standard model of particle physics. It is still being studied and evaluated by scientists to determine its validity and how it may fit into our understanding of the universe.