The “h-hypothesis” of Sommerfeld-Debye: a semi-classical theory of X-rays, γ-rays, and the photoelectric effect

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Autor(es): dc.contributorInstituto Federal de Mato Grosso do Sul-
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUniversidade Federal de Mato Grosso do Sul (UFMS)-
Autor(es): dc.creatorda Silva Suttini, Ronivan Sousa-
Autor(es): dc.creatorCaluzi, João José-
Autor(es): dc.creatorErrobidart, Nádia Cristina Guimarães-
Data de aceite: dc.date.accessioned2025-08-21T21:33:30Z-
Data de disponibilização: dc.date.available2025-08-21T21:33:30Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-12-31-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1590/1806-9126-RBEF-2024-0351-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/298365-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/298365-
Descrição: dc.descriptionThis article examines the scientific controversy surrounding the semiclassical theory developed by Arnold Sommerfeld and Peter Debye between 1911 and 1913. Originally formulated during investigations into X-rays, the theory was expanded to address diverse atomic phenomena, including X-ray and gamma-ray (γ) emissions, ionization potentials, and, most notably, photoelectric emissions. The semiclassical theory - now referred to as the “h-hypothesis” - relied on the application of the “quantum of action”, introduced by Max Planck in his theory of black-body radiation, to calculate the energy absorbed by electrons. Simultaneously, it maintained compatibility with James C. Maxwell’s classical electromagnetic theory, preserving a classical conception of light and the resonant transfer of energy between light and matter. Drawing on methodologies from modern historiography of science, the study analyses primary and secondary sources on the early construction of quantum radiation theory, alongside biographical analyses of the scientists involved. The text provides a historical narrative that enables readers to understand the genesis, development, and refutation of the “h-hypothesis” through a collaborative perspective. As “supplementary material”, it presents the mathematical demonstration of the derivation of Albert Einstein’s renowned “photoelectric effect law”, (re)derived by Sommerfeld and Debye through the theoretical framework of the “h-hypothesis”.-
Descrição: dc.descriptionInstituto Federal de Mato Grosso do Sul, Três Lagoas, MS-
Descrição: dc.descriptionUniversidade Estadual Paulista Júlio de Mesquita Filho Faculdade de Ciências, Bauru, SP-
Descrição: dc.descriptionUniversidade Federal de Mato Grosso do Sul Instituto de Física, Campo Grande, MS-
Descrição: dc.descriptionUniversidade Estadual Paulista Júlio de Mesquita Filho Faculdade de Ciências, Bauru, SP-
Formato: dc.format1-14-
Idioma: dc.languageen-
Idioma: dc.languagept_BR-
Relação: dc.relationRevista Brasileira de Ensino de Fisica-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectEnsino de Ciências-
Palavras-chave: dc.subjectFísica Moderna-
Palavras-chave: dc.subjectHistory of Science-
Palavras-chave: dc.subjectHistória da Ciência-
Palavras-chave: dc.subjectModern Physics-
Palavras-chave: dc.subjectNature of Light-
Palavras-chave: dc.subjectNatureza da Luz-
Palavras-chave: dc.subjectQuantum Theory-
Palavras-chave: dc.subjectScience Education-
Palavras-chave: dc.subjectTeoria Quântica-
Título: dc.titleThe “h-hypothesis” of Sommerfeld-Debye: a semi-classical theory of X-rays, γ-rays, and the photoelectric effect-
Título: dc.titleA “hipótese-h” de Sommerfeld-Debye: uma teoria semiclássica dos raios X, raios γ e do efeito fotoelétrico-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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