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- Q17144832 subject Q7139413.
- Q17144832 abstract "In physics, naturalness is the property that the free parameters or physical constants appearing in a physical theory should take relative values "of order 1". That is, a natural theory would have parameters with values like 2.34 rather than 234000 or 0.000234. This is in contrast to current theory like the standard model, where there are a number of parameters that vary by many orders of magnitude, and require extensive "fine-tuning" of those values in order for the theory to predict a universe like the one we live in.The requirement that satisfactory theories should be "natural" in this sense is a current of thought initiated around the 1960s in particle physics. It is an aesthetic criterion, not a physical one, that arises from the seeming non-naturalness of the standard model and the broader topics of the hierarchy problem, fine-tuning, and the anthropic principle.It is not always compatible with Occam's razor, since many instances of "natural" theories have more parameters than "fine-tuned" theories such as the Standard Model.".
- Q17144832 wikiPageExternalLink slac-pub-11911.pdf.
- Q17144832 wikiPageWikiLink Q1203669.
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- Q17144832 wikiPageWikiLink Q7139413.
- Q17144832 wikiPageWikiLink Q7578720.
- Q17144832 wikiPageWikiLink Q7624462.
- Q17144832 comment "In physics, naturalness is the property that the free parameters or physical constants appearing in a physical theory should take relative values "of order 1". That is, a natural theory would have parameters with values like 2.34 rather than 234000 or 0.000234.".
- Q17144832 label "Naturalness (physics)".