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Planck function

negative quotient of Gibbs energy and temperature
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Planck function

Summary

Key Facts

  • Planck function is a type of physical quantity[1].
  • Planck function's described by source is recorded as ISO 80000-5:2007 Quantities and units — Part 5: Thermodynamics[2].
  • Planck function's described by source is recorded as ISO 80000-5:2019 Quantities and units — Part 5: Thermodynamics[3].
  • Planck function's maintained by WikiProject is recorded as WikiProject Mathematics[4].
  • Planck function's recommended unit of measurement is recorded as joule per kelvin[5].
  • Planck function's recommended unit of measurement is recorded as kilogram square metre per square second kelvin[6].

Body

Definition and Type

Planck function is a type of physical quantity[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [4] ↑ . wikidata.org.
  5. [5] ↑ . ISO 80000-5:2019 Quantities and units — Part 5: Thermodynamics. wikidata.org.
  6. [6] ↑ . ISO 80000-5:2019 Quantities and units — Part 5: Thermodynamics. wikidata.org.

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APA 4ort.xyz Knowledge Graph. (2026). Planck function. Retrieved May 7, 2026, from https://4ort.xyz/entity/planck-function
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BibTeX @misc{4ortxyz_planck-function_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Planck function}}, year = {2026}, url = {https://4ort.xyz/entity/planck-function}, note = {Accessed: 2026-05-07}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 24d ago · Andre Engels · 2026-08-07 view diff on Wikidata ↗
    Maintained by wikiproject → WikiProject Mathematics
    Quantity symbol (latex) → Y
    Isq dimension → \mathsf{L}^2\mathsf{M}^{1}\mathsf{T}^{-2}\mathsf{\Theta}^{-1
    Subclass of → physical quantity
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:1||1 */ [[Property:P5064]]: PlanckFunction, Matched to [[:toollabs:mix-n-match/#/entry/45061975|Planck Function (#45061975)]] in [[:toollabs:mix-n-match/#/catalog/1183|World of Ph"
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