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Mathematical Physics of BlackBody Radiation

Preface The mystery of blackbody radiation triggered the birth of modern physics in 1900, when Planck in an " act of despair " invented the idea of a smallest quantum of energy, which Nature assembles according to laws of statistics with high frequency high energy waves being rare, because they require many quanta. But Planck viewed quanta to be merely a mathematical trick to resolve a scientific deadlock of classical wave mechanics, a trick without real physical meaning. Nevertheless, Einstein used a similar idea of " quanta of light " later called photons, to come up with a (simple) formula for the photoelectric effect, which gave him the Nobel Prize in 1921; for the formula but not its derivation based on quanta, because Swedish scientists did not believe in any reality of light quanta or light particles. In late years Einstein confessed that neither he believed in light quanta, but the reservations of the inventors were overwhelmed by the snowball of quantum mechanics starting to roll in the 1920s. Hundred years later blackbody radiation is back at the center of discussion , now as the cornerstone of climate alarmism based on the idea of atmospheric " backradiation " from so-called " greenhouse gases " causing " global warming ". The weakness of this cornerstone is exposed in the book Slaying the Sky Dragon: Death of the Greenhouse Gas Theory [19] using arguments from this book. The basic idea is to use a classical deterministic continuum wave mechanics combined with a new feature of finite precision computation, which Nature is supposed to use in analog form and which can be modeled by a computer in digital form. This leads to a form of computational blackbody radiation with close connections to the computational thermodynamics and the 2nd Law of thermodynamics developed in the book Computational Ther-modynamics [22].