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Did not contain the Planck constant
- Wien derived his law from thermodynamic arguments, several years before Planck introduced the quantization of radiation. Wien's original paper did not contain the Planck constant.
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Did Wien's original paper contain the Planck constant?
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How did Wien derived his law?
Wien derived his law from thermodynamic arguments, several years before Planck introduced the quantization of radiation. Wien's original paper did not contain the Planck constant. In this paper, Wien took the wavelength of black-body radiation and combined it with the Maxwell–Boltzmann energy distribution for atoms.
When Max Planck later formulated the correct black-body radiation function it did not explicitly include Wien's constant . Rather, the Planck constant was created and introduced into his new formula.
Mar 15, 2017 · The original derivation of Planck is usually not contained in today's texts and e.g. Steven Weinberg remarks 'Planck's derivation is lengthy and not worth repeating here, since its basis is very different from what soon replaced it' ( [ 4 ], p 3).
- Oliver Passon, Johannes Grebe-Ellis
- 2017
constant and h is now called Planck’s constant2. In the derivation Planck had to introduce an ‘energy element’, =hn, and most textbooks take this as the origin of quantum theory. As noted by Nauenberg [3] textbooks usually do not mention how exactly the ‘quantum of energy’ was introduced by Planck. The original derivation of Planck is ...
- Oliver Passon, Johannes Grebe-Ellis
- 2017
Jan 1, 2015 · When the logarithmic dependence between entropy and energy was established in the fourth paper of the Pentalogy, Planck did not allude to any connection with probability theory. In the Pentalogy, the logarithmic dependence was postulated to get the exponential factor of Wien’s law.
- Massimiliano Badino
- massimiliano.badino@uab.cat
Planck tried to find a mathematical expression that could reproduce Wien's law (for short wavelengths) and the empirical formula (for long wavelengths). This expression included a constant, , which is thought to be for Hilfsgrösse (auxiliary variable), [8] and subsequently became known as the Planck constant.
1. Introduction. On December 14, 1900, Max Planck presented his derivation of the distri- bution law for black-body radiation to the German Physical Society, and the concept of energy quanta made its first appearance in physics. Considering enormous consequences which the quantum theory has had, it is astonishing that so little attention has ...
