On the Quantum Theory of Line-Spectra, Vol. 1 PDF ePub eBook

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On the Quantum Theory of Line-Spectra, Vol. 1 free pdf Excerpt from On the Quantum Theory of Line-Spectra, Vol. 1 In an attempt to develop certain outlines of a theory of line-spectra based on a suitable application of the fundamental ideas introduced by Planck in his theory of temperature-radiation to the theory of the nucleus atom of Sir Ernest Rutherford, the writer has shown that it is possible in this way to obtain a simple interpretation of some of the main laws governing the line-spectra of the elements, and especially to obtain a deduction of the well known Balmer formula for the hydrogen spectrum. The theory in the form given allowed of a detailed discussion only in the case of periodic systems, and obviously was not able to account in detail for the characteristic difference between the hydrogen spectrum and the spectra of other elements, or for the characteristic effects on the hydrogen spectrum of external electric and magnetic fields. Recently, however, a way out of this difficulty has been opened by Sommerfeld who, by introducing a suitable generalization of the theory to a simple type of non-periodic motions and by taking the small variation of the mass of the electron with its velocity into account, obtained an explanation of the fine-structure of the hydrogen lines which was found to be in brilliant conformity with the measurements. Already in his first paper on this subject, Sommerfeld pointed out that his theory evidently offered a clue to the interpretation of the more intricate structure of the spectra of other elements. Briefly afterwards Epstein and Schwarzschild, independent of each other, by adapting Sommerfeld's ideas to the treatment of a more extended class of non-periodic systems obtained a detailed explanation of the characteristic effect of an electric field on the hydrogen spectrum discovered by Stark. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully- any imperfections that remain are intentionally left to preserve the state of such historical works.

About Niels Henrik David Bohr

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Details Book

Author : Niels Henrik David Bohr
Publisher : Forgotten Books
Data Published : 27 September 2015
ISBN : 1330250214
EAN : 9781330250211
Format Book : PDF, Epub, DOCx, TXT
Number of Pages : 46 pages
Age + : 15 years
Language : English
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  • On the Quantum Theory of Line-Spectra, Vol. 1 free pdfOn the Quantum Theory of Line-Spectra, Vol. 1

    Where Can I Download Free Ebooks Online. Excerpt from On the Quantum Theory of Line-Spectra, Vol. 1 In an attempt to develop certain outlines of a theory of line-spectra based on a suitable applicatio