Definitions for naturalness

This page provides all possible meanings and translations of the word naturalness

Princeton's WordNetRate this definition:(0.00 / 0 votes)

  1. naturalness(noun)

    the quality of being natural or based on natural principles

    "he accepted the naturalness of death"; "the spontaneous naturalness of his manner"

  2. artlessness, innocence, ingenuousness, naturalness(noun)

    the quality of innocent naivete

  3. naturalness(noun)

    the likeness of a representation to the thing represented

    "engineers strove to increase the naturalness of recorded music"

WiktionaryRate this definition:(0.00 / 0 votes)

  1. naturalness(Noun)

    The state or quality of being natural.

  2. naturalness(Noun)

    Of a picture or recording, likeness to the original.

Webster DictionaryRate this definition:(0.00 / 0 votes)

  1. Naturalness(noun)

    the state or quality of being natural; conformity to nature

FreebaseRate this definition:(0.00 / 0 votes)

  1. Naturalness

    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. 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.


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