All Questions
4
questions
6
votes
1
answer
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Virtual particle density in an expanding Universe
As the universe continues to accelerate in its expansion, does the virtual particle density decrease or remain the same throughout spacetime?
-1
votes
1
answer
934
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Universe from nothing? [duplicate]
I just finished the book of Lawrence Krauss "Universe from nothing" and he said that virtual particle can pop to existance from nothing by quantum fluctuations of the field from the vacuum and in the ...
2
votes
0
answers
262
views
Hawking radiation at the mouth of Schwarzschild wormholes
I was researching a question for another post and it occurred to me that you might expect to see Hawking radiation at the mouth of wormholes.
Given the mechanism of Hawking radiation at the event ...
4
votes
2
answers
5k
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Is it possible that the Big Bang was caused by virtual particle creation?
As far as I understand, it is understood that throughout the universe there exists, what is known as, a quantum field from which, due to its fluctuations, temporary (pairs of) virtual particles ...