Are inflatons the same as fewer gravitons?

In summary: Gravity leaking off would affect the expansion differently and could potentially lead to different outcomes.In summary, the conversation discusses the possibility of a new particle or field called the inflaton that may be responsible for the acceleration of the expansion of the observable universe. However, the concept of inflation and the acceleration of expansion in the last few billion years are separate and may not be directly related. Additionally, there is speculation about gravity leaking off into unobserved parts of the universe, potentially through extra dimensions. However, this would have a different effect on the expansion compared to inflatons.
  • #1
Pjpic
235
1
I'm not very conversant in the subject. But it is my impression that the acceleration of the expansion of the observable universe has generated a theory that there might be a new particle (field?) call the inflaton. On the other hand, I thought I'd heard that scientists were trying to find evidence of gravity leaking off into an heretofore unobserved part of the universe. Wouldn't gravity leaking off have the same effect as inflatons (that is to say accelerate the expansion)? Thanks
 
Physics news on Phys.org
  • #2
Pjpic said:
But it is my impression that the acceleration of the expansion of the observable universe has generated a theory that there might be a new particle (field?) call the inflaton.
No. Inflation in the very early universe and accelerated expansion in the last few billions of years are different things. They might have some deeper, unknown connection, but they are still at completely different scales.
Pjpic said:
On the other hand, I thought I'd heard that scientists were trying to find evidence of gravity leaking off into an heretofore unobserved part of the universe.
Extra dimensions, maybe, if they are exist. That is very speculative.
Pjpic said:
Wouldn't gravity leaking off have the same effect as inflatons (that is to say accelerate the expansion)?
No.
 

FAQ: Are inflatons the same as fewer gravitons?

What are inflatons and gravitons?

Inflatons and gravitons are theoretical particles that have been proposed to explain different aspects of the universe. Inflatons are hypothesized to have played a role in the rapid expansion of the universe during the inflationary period, while gravitons are believed to be the particles that carry the gravitational force.

Are inflatons and gravitons the same thing?

No, inflatons and gravitons are not the same thing. They are two different theoretical particles with different proposed functions in the universe. Inflatons are thought to have caused the universe to expand rapidly, while gravitons are believed to be responsible for the force of gravity.

Are inflatons and gravitons related to each other?

Inflatons and gravitons are related to each other in the sense that they both play a role in explaining different aspects of the universe. However, they are not the same particle and have different properties and functions.

Can inflatons and gravitons be observed?

Currently, there is no direct evidence for the existence of inflatons or gravitons. They are still theoretical particles that have yet to be observed or detected. However, scientists are working on experiments and theories to try and detect these particles.

How do inflatons and gravitons impact our understanding of the universe?

Inflatons and gravitons are important concepts in theoretical physics and cosmology. If they are proven to exist, it would greatly enhance our understanding of the early universe and the fundamental forces that govern it. However, their existence is still a subject of research and debate among scientists.

Similar threads

B So this is a bit of a duplicate: Is the universe fully transparent to gravitons?
2
Replies
38
Views
2K
Reheating vs particle creation due to acceleration
Replies
2
Views
1K
Gravitons: Do They Exist & Would Volume Increase Effects?
Replies
18
Views
6K
B How did expansion take 380,000 years to let light travel freely?
Replies
13
Views
2K
B Expansion or contraction -- how do we know which?
Replies
24
Views
2K
A Higgs inflation and quadratic gravity
Replies
1
Views
1K
Inflationary cosmology questions
Replies
10
Views
3K
60 efolds with no inflaton, no slow roll, no reheating-QEG's apt to be right
Replies
24
Views
7K
I Expansion of space & expansion of matter within space
Replies
17
Views
2K
B How to apply Einstein's STOR to expansion
Replies
11
Views
2K

Hot Threads

Recent Insights

Back
Top