Originally posted by Tassman
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Where does Vilenkin say that this vacuum state preexisted the universe? He never does, and again where would it exist apart from space? In the magical land of Pixies?
According to present-day understanding of what is called the vacuum state or the quantum vacuum, it is not simply empty space but actually filled with quantum energy and particles that randomly blink in and out of existence for a fleeting moment. These are referred to as quantum fluctuations which resulted in the Big Bang and inflated into our present universe according to Vilenkin.
Again, we only have evidence of the quantum world in SPACE. There is no evidence that it could or does, exist independent of space. And Vilenkin also makes clear that it is very doubtful if we could ever test this theory. And if our universe was the result of quantum fluctuations then that is A CAUSE. But according to Vilenkin no CAUSE is needed.
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