Montrovant
Fuzzy bears!
- May 4, 2009
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I don’t believe it is.Because the theory is about explaining how space and time were created.Inflation theory explains how matter and energy were created from nothing through a quantum tunneling event without violating the law of conservation. It has absolutely nothing to do with the expansion and cooling of the universe.Well, I just gave you definitions of inflation from multiple sources indicating that you are incorrect about what it entails. I'm not sure what else to say. It's just a matter of mislabeling.
Just consider the name inflation. To inflate is not to create, it is to expand. A balloon can only be inflated after the balloon exists.
The big bang singularity is where Friedmann's solutions to Einstein's field equations yield infinities. That is the point where all matter and energy occupied the space of 1 billionth of 1 trillionth the size of a single atom. At this point in the timeline all of the matter is in place and then it began to expand and cool.
But if you want to characterize it that the big bang came first and then inflation occurred, please do so. That makes no sense to me. If people are characterizing it that way, I believe they are characterizing it wrong. Inflation theory was discovered after Friedmann's solutions to Einstein's equations so I can see how confusion occurred, but Friedmann's solutions to Einstein's equations never explained how matter and energy were created. Inflation does.
Here, let me quote a post you recently made:
The Inflation Theory, developed by Alan Guth, Andrei Linde, Paul Steinhardt, and Andy Albrecht, offers solutions to these problems and several other open questions in cosmology. It proposes a period of extremely rapid (exponential) expansion of the universe prior to the more gradual Big Bang expansion, during which time the energy density of the universe was dominated by a cosmological constant-type of vacuum energy that later decayed to produce the matter and radiation that fill the universe today.
WMAP Inflation Theory
Read the part you put in blue and larger letters. How can you possibly claim that inflation has nothing to do with the expansion of the universe after you just highlighted a quote which states that inflation is about the expansion of the universe?
I'll try to explain my understanding of the Big Bang definition differences. Before inflation was conceived, the Big Bang was proposed based on a much less rapid expansion of the universe, which was expected to go back to the point of a singularity. Once inflation became a generally accepted idea, some people considered the Big Bang to be the point at which that less rapid expansion started after inflation. Other people consider the idea of the Big Bang to be the expansion of the universe from the singularity, regardless of whether the expansion is in the rapid, inflation stage or the slower stage following. Because of that, they consider the Big Bang to mean the point at which expansion began, not the point at which more gradual expansion began, so the BB happens before the rapid expansion of inflation. It really isn't an important distinction except in the sense of everyone in the conversation understanding which starting point for the BB one is using.
You asked me to provide sources for the idea that inflation is about the expansion of the universe, rather than the creation of the energy of the universe, and I have done so. I provided quite a few sources, and I also quoted Vilenkin from an interview you linked to. Perhaps you could show where inflation is about the creation of the energy of the universe rather than the rapid expansion of the universe?
In other words the initial conditions.
Everything thing after that point is based on Einstein’s field equations.
Inflation is about explaining the expansion of the universe from the singularity. I posted multiple definitions from multiple sources which all show the definition as being about the expansion, not the creation. You yourself posted the same thing.
Inflation explains how matter and energy were created from nothing. Then it began to expand and cool according to Einstein’s GToR and the SLoT.
I'm confounded as to why you don't believe it. I have posted multiple links showing that inflation is about the expansion of the universe, you have posted and quoted at least one link showing inflation to be about the expansion of the universe, the very word inflation is about expansion...why is it important to you that inflation be about the creation of matter and energy from nothing and not about expansion? And what do you base the belief that it is on?