The fine tuning problem (all 120 OOM of it) - Physics Forums
Aug 6, 2005 · The fine-tuning problem is the biggest puzzle in quantum cosmology. If you can explain why the expansive pressure of the quantum vacuum and the compressive force of its …
Understanding the Fine Tuning Problem in Scalar Field Theories
May 21, 2011 · What do people mean when they say that mass renormalization of scalar field theories confronts us with a fine tuning problem. It's said the divergence in the mass of a …
Modern Cosmology: Fine Tuning Problem | Adarsh - Physics Forums
Sep 15, 2014 · Hi Guys, I have just started Modern Cosmology and please don't mind if the question is too naive. I wanted to know why does the amount of dust in the Inter-Stellar …
Why is the hierarchy problem a problem? - Physics Forums
Nov 14, 2015 · The hierarchy problem is a fine-tuning problem within the Wilsonian framework that the QFTs we use are effective field theories. If they are not effective field theories, but …
Is the Fine-Tuned Universe Problem a Scientific or Philosophical ...
Jul 27, 2011 · The Fine-Tuned Universe Problem raises questions about why the universe appears to be exceptionally suited for life, despite the scientific perspective that life is …
Flatness Problem: Critical and Actual Density • Physics Forums
Aug 25, 2016 · The flatness problem in cosmology highlights the need for the initial expansion rate of the universe and the relationship between critical and actual density to be finely tuned. …
What is the Role of Fine Tuning in the Cosmological Constant …
Jun 21, 2013 · The vacuum-vacuum expectation value in the absence of a source is in general not equal to 1, but exp[-iEt], where E is the energy of the vacuum. For some reason in QFT, we …
Does Euclidean geometry require initial fine-tuning?
Oct 19, 2019 · https://en.wikipedia.org/wiki/Flatness_problem The flatness problem (also known as the oldness problem) is a cosmological fine-tuning problem within the Big...
What is the Hierarchy Problem & How Can it be Solved?
Dec 19, 2008 · 2) Some kind of fine-tuning of the electroweak scale to magically offset quantum corrections, resolved by e.g., supersymmetry. I'm clear aobut the first issue but very vague …
Stringy landscape v.s higgs fine tuning - Physics Forums
Jul 30, 2009 · In summary, there are two proposed solutions to the fine-tuning problem in the Higgs sector: Supersymmetry (SUSY) and the string theory landscape. While SUSY suggests …