All Questions
5
questions
0
votes
2
answers
122
views
Quantum fluctuations and symmetries?
While reading this piece about symmetry breaking, in section 3 I came across the term "anomalous symmetry breaking", which happens when a symmetry is broken by quantum fluctuations:
Let us ...
- 2,462
1
vote
0
answers
43
views
Could inhomogeneties and/or topological defects break the fundamental symmetries of the universe?
I have heard that some types of inhomogeneties and topological defects (like cosmic strings) in cosmology have been proposed to be able to break fundamental symmetries of nature such as the Poincaré, ...
- 2,462
0
votes
1
answer
95
views
Could the fundamental symmetries of a fundamental theory of everything be explicitly broken, somehow?
If our universe was fundamentally described by a theory of everything (let's say e.g. string theory) it would have a set of fundamental symmetries (which would correspond to the fundamental symmetries ...
- 2,462
12
votes
2
answers
843
views
Do the standard cosmology models spontaneously break Lorentz symmetry?
In standard cosmology models (Friedmann equations which your favorite choice of DM and DE), there exists a frame in which the total momenta of any sufficiently large sphere, centered at any point in ...
- 1,869
1
vote
0
answers
336
views
Spontaneous symmetry breaking by axions?
I am just reading at the beginnin of this nice article, that axions could be responsible for spontaneously breaking of a symmetry in the early universe.
Does anybody know which symmetry is alluded to ...
- 9,581