The epoch in the early universe when there was electron-positron generation
occurred from about a half hour to several hours after the initial event,
If one rewinds the clock it goes back to inflationary cosmology where
temperature was ~ 10^{20}K.
LC
On Wednesday, March 2, 2022 at 9:31:38 AM UTC-6 medinuclear wrote:
> *LIVE SCIENCE*. “Physicists create bizarre quantum 'domain walls' in new
> experiment” By Ashley Hamer. 3-1-22.
> https://www.livescience.com/quantum-domain-walls-created-in-experiment.
>
> “Studying emergent phenomena can help shed light on other events that
> involve many particles acting in unison — for example, in the early
> universe, when particles first clumped together to form stars and
> galaxies”.
>
> [*Philip Benjamin*]
>
> Groups of atoms at very low temperatures segregate into different
> clumps, or "domains." For very early universe the when temperature is
> reported to be 10 billion K, enabling photons to hve enough energy to
> create electron-positron pairs. Great numbers of electrons and positrons
> existed in thermal equilibrium with the radiation.
>
> How are these opposing states viable for domain walls? What
> happened to the incontrovertible logical “Law of Non-Contradiction”?
> Physicists who deal with origins almost always ignore laws of logic!! All
> science, to be true, is and must be logical.
>
> Incidentally, what is more logical: “dead matter producing life or LIFE
> producing both dead matter and other forms of life?
>
> *Philip Benjamin *
>
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