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Article
The conception of photons–Part II
In this second part of the article, we present how S N Bose’s 1924 paper provided a systematic derivation of Planck’s formula using the conception of photons, filling the major lacuna that was preventing the a...
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Article
The conception of photons - Part I
In the year 1900, Max Planck was led by experimental observations to propose a strange formula for the intensity as a function of frequency for light emitted by a cavity made in a hot substance such as a metal...