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Fermi's golden rule

formula that describes the transition rate from one energy eigenstate of a quantum system into other energy eigenstates
Intangible method Q1073295
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Fermi's golden rule

Summary

Fermi's golden rule is a method[1]. It has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[2]

Key Facts

  • Fermi's golden rule's instance of is recorded as method[3].
  • Enrico Fermi is named after Fermi's golden rule[4].

Body

Definition and Type

Fermi's golden rule's instance of is recorded as method[3].

Origins

Enrico Fermi is named after Fermi's golden rule[4].

Why It Matters

Fermi's golden rule has Wikipedia articles in 18 language editions, a strong signal of global cultural recognition.[2] It is known by 8 alternative names across languages and contexts.[5]

Related Entities

Enrico Fermi

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikidata sitelinks. wikidata.org.
  2. [5] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Fermi's golden rule. Retrieved May 3, 2026, from https://4ort.xyz/entity/fermi-s-golden-rule
MLA “Fermi's golden rule.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/fermi-s-golden-rule.
BibTeX @misc{4ortxyz_fermi-s-golden-rule_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Fermi's golden rule}}, year = {2026}, url = {https://4ort.xyz/entity/fermi-s-golden-rule}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Fermi's golden rule — https://4ort.xyz/entity/fermi-s-golden-rule (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/fermi-s-golden-rule · Last refreshed:

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. 16d ago · Nyuhn · 2026-07-10 view diff on Wikidata ↗
    P14541 → 1xQEpA
    "/* wbeditentity-update:0| */ QuickStatements 3.0 [[:toollabs:qs-dev/batch/40849|batch #40849]]: ZGBK ID"
  2. 26d ago · Einar Myre · 2026-06-30 view diff on Wikidata ↗
    Great norwegian encyclopedia id → Fermis_gylne_regel
    "/* wbsetclaim-update:2||1 */ [[Property:P4342]]: Fermis_gylne_regel"
  3. 26d ago · ~2026-36985-58 · 2026-06-30 view diff on Wikidata ↗
    In defining formula → ['|i\\rangle', '\\langle f|', '\\hbar', "H'", '\\rho']
    Great norwegian encyclopedia id → Fermis_gylne_regel
    "/* wbsetclaim-create:2||1 */ [[Property:P4342]]: Fermi’s golden rule"
  4. 4w ago · Charp238 · 2026-06-26 view diff on Wikidata ↗
    Named after → Enrico Fermi
    Aliases → —
    Instance of → —
    Defining formula → \Gamma _{i\to f}={\frac {2\pi }{\hbar }}\left|\langle f|H'|i\rangle \right|^{2}\
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P2534]]: \Gamma _{i\to f}={\frac {2\pi }{\hbar }}\left|\langle f|H'|i\rangle \right|^{2}\rho (E_{f})"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.