bokomslag Photons
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  • 231 sidor
  • 2018
This book focuses on the gradual formation of the concept of light quanta or photons, as they have usually been called in English since 1926. The great number of synonyms that have been used by physicists to denote this concept indicates that there are many different mental models of what light quanta are: simply finite, quantized packages of energy or bullets of light? Atoms of light or molecules of light? Light corpuscles or quantized waves? Singularities of the field or spatially extended structures able to interfere? Photons in G.N. Lewiss sense, or as defined by QED, i.e. virtual exchange particles transmitting the electromagnetic force? The term light quantum made its first appearance in Albert Einsteins 1905 paper on a heuristic point of view to cope with the photoelectric effect and other forms of interaction of light and matter, but the mental model associated with it has a rich history both before and after 1905. Some ofits semantic layers go as far back as Newton and Kepler, some are only fully expressed several decades later, while others initially increased in importance then diminished and finally vanished. In conjunction with these various terms, several mental models of light quanta were developedsix of them are explored more closely in this book. It discusses two historiographic approaches to the problem of concept formation: (a) the authors own model of conceptual development as a series of semantic accretions and (b) Mark Turners model of conceptual blending. Both of these models are shown to be useful and should be explored further. This is the first historiographically sophisticated history of the fully fledged concept and all of its twelve semantic layers. It systematically combines the history of science with the history of terms and a philosophically inspired history of ideas in conjunction with insights from cognitive science.
  • Författare: Klaus Hentschel
  • Format: Pocket/Paperback
  • ISBN: 9783030070014
  • Språk: Tyska
  • Antal sidor: 231
  • Utgivningsdatum: 2018-12-28
  • Översättare: Ann M Hentschel
  • Förlag: Springer Nature Switzerland AG