Why can’t universe expansion be explained by…

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The fact that subatomic particles are popping into existence and out of existence all the time in empty space? Wouldn’t the temporary presence of untold numbers of particles exert some influence on expansion? I haven’t heard any documentary or publication talk about this idea. Is it dumb?

In: Physics

3 Answers

Anonymous 0 Comments

I don’t think this is a stupid idea.

If I recall correctly Lawrence Krauss in his book “A Universe from Nothing” uses this example as one of the possibilities of ‘where the universe came from. Specifically that the very first thing arouses from quantum fluctuation.

If we would add the assumption that in such energy density gravity starts being repulsive – this adds the source of expansion power.

[https://www.goodreads.com/book/show/11337189-a-universe-from-nothing](https://www.goodreads.com/book/show/11337189-a-universe-from-nothing)

Note that all this is more speculation than science ATM.

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