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Electric fields split spectral lines: Stark's detailed experimental account

Contribution grade

Atomic physics · Atomic physics

Reference score160,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Stark reported that an electric field separates selected gas spectral lines into polarized components, with a detailed 1914 experimental account following his 1913 announcement.

Scientific scope

Stark reported that an electric field separates selected gas spectral lines into polarized components, with a detailed 1914 experimental account following his 1913 announcement. The contribution is the reported splitting of specified spectral lines in an applied electric field, with historical instrumental and interpretation limits. It is not a complete quantum derivation or a universal linear splitting law for every atom/field regime. Parallel and later theoretical/experimental work remain separate.

Evidence

Source-linked, scoped account of the original work. The published scope states the scientific assumptions and remaining verification limits. WRS has not independently certified the full proof, experimental result or system benchmark.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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