Could vacuum decay save multiverse ideas?

In summary, the conversation discussed the idea that physical laws in our universe could not have been different due to the big bang theory, and that a fundamental theory could potentially prove this. The question was raised if this meant that the multiverse theory would no longer be a possibility, and if a false vacuum decay could change physical laws. The conversation was closed with a statement that the paper discussing this topic was not useful for scientific considerations.
  • #1
Suekdccia
259
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If we discovered that physical laws could not have been otherwise in our universe as a result of the big bang multiverse ideas would be dead

"nature could not have been otherwise, and with a fundamental theory we will be able to prove this" If this was true, would exist any possible way of changing the physical laws of our universe, so the multiverse would still be an option? Could a false vacuum decay into a true one do that?

http://citeseerx.ist.psu.edu/viewdo...0CE2340?doi=10.1.1.738.5633&rep=rep1&type=pdf
 
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  • #2
We do not discuss philosophy in general and specifically no pure speculations. I cannot judge the paper's value to philosophy, although I doubt there is any, it is of no use for scientific considerations.

Thread closed.
 
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Related to Could vacuum decay save multiverse ideas?

1. What is vacuum decay and how does it relate to the multiverse?

Vacuum decay is a theoretical concept in physics that suggests that the vacuum of space is not completely stable and can undergo a phase transition to a lower energy state. This idea is often used to explain the existence of multiple universes, or the multiverse, where each universe could have different physical laws due to variations in the vacuum state.

2. Could vacuum decay actually save the multiverse theory?

There is no definitive answer to this question as vacuum decay is still a theoretical concept. While it is a possible explanation for the existence of multiple universes, it is not the only one. The multiverse theory is still a subject of debate among scientists, and more research is needed to fully understand its validity.

3. How does the concept of vacuum decay challenge traditional ideas about the stability of the universe?

Vacuum decay challenges the traditional idea that the vacuum of space is completely stable and unchanging. It suggests that the vacuum can undergo a phase transition, leading to the creation of new universes with different physical properties. This challenges our understanding of the stability of the universe and the laws of physics.

4. Is there any evidence to support the idea of vacuum decay and the multiverse?

Currently, there is no direct evidence for vacuum decay or the existence of multiple universes. However, some theories in physics, such as inflationary cosmology, suggest that the universe underwent a rapid expansion in its early stages, which could be linked to vacuum decay. Additionally, some observations, such as the cosmic microwave background radiation, can be explained by the multiverse theory.

5. What are the potential implications of vacuum decay and the multiverse on our understanding of the universe?

If vacuum decay and the multiverse theory are proven to be true, it would have significant implications on our understanding of the universe. It would mean that our universe is just one of many, and that the laws of physics may vary in each universe. This could also open up new possibilities for space exploration and the search for potential life in other universes.

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