All Questions
5
questions
7
votes
1
answer
511
views
Does zero point energy really contribute to the cosmological constant?
The zero point energy is usually supposed to contribute to the cosmological constant. And the mismatch between the small cosmological constant compared with the huge zero point energy is deemed as one ...
- 4,452
5
votes
2
answers
301
views
Is the cosmological constant problem real? [duplicate]
The cosmological constant problem assumes that the cosmological constant (determined experimentally) can be identified with the vacuum energy density. Theroretical arguments from quantum gravity ...
- 191
1
vote
1
answer
578
views
Zero-energy universe - What is nothing?
I am a layman, so excuse me in advance for the stupidity of my questions, and I hope you can answer them in a way that I can understand.
I have read, here and there, that the Universe might have a ...
0
votes
2
answers
280
views
What would have been the story of the Universe if there was no mechanism to produce massive fundamental baryonic particles? [duplicate]
Thanks for those of you who took their time answering my problem but it seems that there is a misunderstanding between us. Most answers are based on the assumption of Electroweak symmetry breaking ...
- 1,290
6
votes
1
answer
604
views
How would one expect a massive graviton to behave?
Typically, adding a mass $m$ to a gauge boson causes the boson to only be able to travel over a finite distance, $L\sim m^{-1}$, limiting the range of the associated force. For example, photons ...
- 3,492