On the Quantum Theory of Line-Spectra, Vol. 1 (Classic Reprint) - Tapa blanda

Bohr, Niels Henrik David

9781330250211: On the Quantum Theory of Line-Spectra, Vol. 1 (Classic Reprint)

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ISBN 10: 1330250214 ISBN 13: 9781330250211

Editorial: Forgotten Books, 2018

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Excerpt from On the Quantum Theory of Line-Spectra, Vol. 1

Part III contains a discussion of the questions arising in connection with the ex planation of the spectra of other elements.

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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.

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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.

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EditorialForgotten Books
A�o de publicaci�n2018
ISBN 10 1330250214
ISBN 13 9781330250211
Encuadernaci�nTapa blanda
IdiomaIngl�s
N�mero de p�ginas46

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9781371533489: On the Quantum Theory of Line-spectra; Volume 1

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ISBN 10: 1371533482 ISBN 13: 9781371533489
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On the Quantum Theory of Line-Spectra, Vol. 1 (Classic Reprint)

Niels Henrik David Bohr

Publicado por Forgotten Books, 2018

ISBN 10: 1330250214 ISBN 13: 9781330250211

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Librería: Forgotten Books, London, Reino Unido

Calificaci�n del vendedor: 5 de 5 estrellas

Paperback. Condici�n: New. Print on Demand. This book explores the theoretical foundations of early quantum theory, focusing on how it relates to the behavior of atomic and molecular systems. The author, writing in the late 1910s and early 1920s, was one of the key architects of quantum theory, and this book represents a significant contribution to the field. The author begins by discussing the fundamental principles of quantum theory, including the concept of stationary states, the quantization of energy, and the wave-particle duality of matter. He then applies these principles to the study of atomic and molecular systems, deriving equations that can be used to calculate the energy levels and spectra of these systems. The book concludes with a discussion of the implications of quantum theory for our understanding of the nature of matter and radiation. Overall, this book provides a valuable insight into the development of quantum theory and its application to the study of atomic and molecular systems. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. N� de ref. del art�culo: 9781330250211_0

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