The multiverse tag has no wiki summary.
8
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2answers
357 views
Is eternal inflation and the multiverse compatible with causal patch complementarity?
The argument for eternal inflation is we have some patch of metastable vacuum with positive cosmological constant, and so it expands exponentially a la de Sitter. Most of the patch decays to something ...
5
votes
6answers
671 views
Are many-worlds and the multiverse really the same thing?
Are many-worlds and the multiverse really the same thing?
Not too long ago, Susskind and Bousso uploaded the article "The Multiverse Interpretation of Quantum Mechanics" with the thesis that the ...
4
votes
4answers
105 views
Could there be more universes?
In the documentary: "Curiosity - Did God Create the Universe (on YouTube)", theoretical physicist and cosmologist Stephen Hawking states that time did not exist before the big bang.
The first ...
4
votes
2answers
346 views
The multiverse of eternal inflation
I don't have a clear picture of what is "by definition" the multiverse appearing in the models of eternal inflation. A long time ago I heard that it is a quantum state, but in the cosmology books I ...
4
votes
1answer
31 views
Causal structure of the inflationary multiverse
In the multiverse as it is described by eternal inflation, it is not clear to me what is its causal structure and in particular if the bubble-universes are causally connected. We start from a ...
3
votes
1answer
345 views
Where does the wave function of the universe live? Please describe its home
Where does the wave function of the universe live?
Please describe its home.
I think this is the Hilbert space of the universe. (Greater or lesser, depending on which church you belong to.)
Or maybe ...
3
votes
1answer
130 views
How could we experience multiverse through cosmic background radiation?
I'm reading a book about string theory, and it tells me in the future it could be possible to detect existence of other bubble universes through cosmic background radiation. Is this true? What could ...
2
votes
2answers
477 views
The meaning of multiverse
A) I am intrigued by the multiverse theory as mentioned in Stephen Hawking's new book, "The Grand Design". According to his theory, one can have different 'universes' in one ultimate existence, a ...
2
votes
2answers
358 views
What is the difference between parallel universe and multiverse?
What is the difference between parallel universe and multiverse? Is it parallel universe or universes?
2
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2answers
106 views
Cardinality of the Universes Set
No expert by any means, but sometimes, in different contexts the term multiverse used. In quantum mechanics, some say that it is possible that there are actually many universes where all the possible ...
1
vote
1answer
163 views
Parallel universe and Infinite monkey theorem [closed]
Is the Infinite monkey theorem helpful for determining the existence of the very same our universe somewhere else?
1
vote
1answer
116 views
A question about multiverse
I have a question that I would like to ask here since I'm not an expert or any near to that.
Actually I just came up with this question when I was watching The fabric of cosmos.
I couldn't find where ...
1
vote
2answers
126 views
According to wave function collapse you only have one outcome, so what happens to the other superpositions?
If the superpositions of a wave function are not needed because only one of the superpositions is allowed, what happens to the eigenvalues of the "null" superpositions?
Is the energy transferred ...
0
votes
2answers
193 views
Where do black holes go?
According to many physicist what ever goes near to a black hole is pulled by it sucked up in a parallel universe. As far as i know black holes are also made up of material particles as any other thing ...
0
votes
1answer
75 views
The argument for cosmological natural selection
I am reading Smolin's book Life of the Cosmos. One part which I can hardly understand is the argument for cosmological natural selection as a scientific principle.
Smolin keeps on saying that ...
0
votes
1answer
119 views
Multiverse theory and infinite individuals
I read an article about possibility of existence of multiverse and came up with a conflicting view with one of the sentences written in the article which goes as follows:
"If space-time goes on ...
0
votes
1answer
82 views
Is it possible that a black hole sucks energy that is the origin of another universes big bang?
The universe expanded from nothing, right? And black holes may be a "gate" to parallel universes, is it possible that stars that is being sucked in by black holes in our universe may be the origin of ...
0
votes
1answer
43 views
Is there any theory about extra-Universal place? [closed]
I mean you can probably imagine cells and extracellular space between them. In biology some things can go through the cell membrane in and out.
What if universe/s are "similar" and some form of ...
0
votes
0answers
46 views
Flung out of the galaxy
I watched a video by Dr. Michio Kaku, in which he states a theory about Dark Matter.
This theory says that Dark Matter could be just ordinary matter from another parallel universe, which would be ...
0
votes
0answers
105 views
Colliding bubbles in hyperspace
Assuming the following
A universe is the surface from a bubble in hyperspace.
Inside a bubble there is nothing, only the surface represents a
universe. The size of the bubble is time.
Dark matter ...
0
votes
2answers
344 views
How do we prove that multiverse exist?
Scientists are talking about our universe not being the only universe, but even if that is true, how can we prove the existence of multiverse? We are being 'confined' in this universe and there is no ...
0
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5answers
183 views
Is our universe the only universe out there or are there also other possible universes?
There is the specific universe we live in, the "actual" universe with planet Earth, humans evolving, and us discussing metaphysical debates on physics.se in 2012, etc. There might or might not also ...
-1
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1answer
97 views
Existence of time in some other universe [closed]
Is it necessary that time should exist in another universe if it (universe) is there? How do we perceive timelessness?
-1
votes
1answer
333 views
parallel universe- are there an infinite amount of universes?
Parallel universe: in every universe, you are presented with a different decision. Does that mean there are an infinite amount of parallel universes? I.e., if in one universe I choose to go left, I am ...
-2
votes
2answers
113 views
A question to the theory of multiverse
Guys I couldn't catch a point of multiverse theory..
Theory: If space-time goes on forever, then it must start repeating at some point, because there are a finite number of ways particles can be ...
-2
votes
1answer
109 views
Finite amount of matter and space
(Please bear with me.)
If the universe included multi-universes, and black holes transferred matter between them, AND yet there was a large, but FINITE amount of matter and space, How would that ...
-3
votes
1answer
79 views
Exhaustive nature of parallel universe [closed]
We know that according to the infinite parallel universe theory there is a different universe for any event possible event. Now I was wondering if all those universes form an exhaustive set. In other ...
