All Questions
4
questions
1
vote
0
answers
40
views
Why is it justified to focus on gauge transformations constant at spatial infinity in QCD instantons?
In the context of Yang-Mills theories and QCD instantons, much of the literature and conventional treatment hinges on the consideration of gauge transformations that remain constant at spatial ...
- 841
0
votes
1
answer
154
views
Non-Perturbative effects QCD and the Standard Model?
I read in an article that the Standard Model leaves unanswered questions about the non-perturbative effects of the QCD.
I have basic knowledge about the perturbative and non-perturbative QCD. Could ...
- 215
2
votes
0
answers
50
views
Does an instanton couple equally to all flavors?
Do gravitational / electroweak / QCD / ... instantons couple equally to all fermion flavors? For example, do QCD instantons distinguish between the different quark flavors?
Edit, due to comment (...
- 1,783
5
votes
2
answers
263
views
What constitutes a 'reliable' instanton calculation?
In Modern Supersymmetry, John Terning, on pgs 151, and 153 performs a so called 'reliable' instanton calculation when dealing with the ADS superpotential 'since the gauge group is completely broken'. ...
- 3,758