All Questions
12
questions
3
votes
1
answer
132
views
How was the universe once small enough to be subject to quantum mechanical effects?
I have often read that our universe was once small enough to be subjected to quantum mechanical effects, potentially altering how our universe turned out. This is a large theme in Laura Mersini-...
- 31
1
vote
1
answer
69
views
Is the inflation theory based on the inflaton field or electronuclear force carriers decay? [duplicate]
Some sources introduce the inflaton field as the cause of the inflation period in the big bang theory, and some others relate it to the decay of electronuclear bosons. Which one of these is ...
- 11
0
votes
0
answers
114
views
Did Stephen Hawking propose that the universe arised from truly nothingness?
Stephen Hawking giving a lecture describing how the universe would have arisen from his model (developed with James Hartle) or "no boundary" conditions, once said:
Unlike the black hole pair ...
- 2,462
0
votes
1
answer
73
views
Are any present particles entangled due to their common origin in the big bang?
Are any present particles entangled due to their common origin in the beg bang? Have they been too transformed to be entangled or never entangled to begin with?
- 776
0
votes
1
answer
572
views
How do we know what happened during the Planck epoch era of the big bang?
The Cosmic Microwave Background provides the left over radiation of the big bang. Cosmologists have theorised what happened at the Planck epoch era of the big bang.
Where is the evidence of what ...
- 107
1
vote
1
answer
485
views
How was electrical charge formed in the Big Bang?
We know that fundamental particles (Quarks, electrons, etc.) were formed a while after the Big Bang. How was their electrical charge (its value and sign) determined? Was electrical charge present in ...
- 1,145
1
vote
1
answer
471
views
What is meant by "spontaneous creation" in this paper?
I have some questions in regard to the paper "Spontaneous creation of the universe from nothing". If I am not mistaken it is akin to Alexander Vilenkin's proposed cosmological model that has the ...
- 11
3
votes
2
answers
378
views
Quantum Wavefunctions Without Space
A handful of physicists have a rather peculiar definition of 'nothing' in terms of cosmology. Their claim is that the Universe, assuming it has 0 total energy, could have arisen from nothing but ...
- 1,140
1
vote
2
answers
179
views
Could the universe have evolved WITHOUT the non-determinism of quantum mechanics? [closed]
(I'm going to make a few conjectures here - please answer the question in light of them as if they were true, even though of course they may be overly simplistic or wrong)
Assuming that:
the ...
- 11
8
votes
2
answers
5k
views
Does the uncertainty principle violate the law of conservation of energy?
What is the scientific view of the beginning of universe? Quantum fluctuation seems to contradict with the law of conservation of energy.
Uncertainty Principle does seem to violate the Law of ...
- 465
4
votes
1
answer
2k
views
Particles entangled after the big bang
Is that true that the big bang caused the quantum entanglement of all the particles of the universe so every particle is entangled to each other particle of the universe?
- 145
3
votes
2
answers
506
views
Was Planck's constant $h$ the same when the Big Bang happened as it is today?
Was Planck's constant $h$ the same when the Big Bang happened as it is today?
Planck's constant :
$$h= 6.626068 × 10^{-34}\, m^2 kg / s,$$
$$E=n.h.\nu,$$
$$\epsilon=h.\nu$$
anon