Vladimir P Vizgin – författare
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2 produkter
2 produkter
Inbunden, Engelska, 2002
867 kr
Skickas inom 10-15 vardagar
This volume presents a selection of contributions by Russian scholars - historians and philosophers to science - to the Einstein Studies industry, broadly construed. This work explores the historical and foundational issues in general relativity and relativistic cosmology, Einstein's contributions to early quantum mechanics and the rise of Dirac's quantum electrodynamics. It also includes a detailed description of the physics colloquium Einstein established and coordinated in 1912-1913 and comments on his brief interest in the construction of the plane wing in 1916. The contributors draw extensively on documentation previously unavailable to most scholars. Materials from various Russian archives shed new light on the famous exchange (regarding the first evolutionary cosmological models) between Einstein and Alexander Friedmann in the early 1920s and on the role of Boris Podolsky and Vladimir Fock in the emergence of quantum electrodynamics. The little-known correspondence between Einstein and a famous German pilot Paul Erhardt suggests that during World War I, the former was involved with aero- and hydrodynamics research and ways of improving airplane design.Other articles introduce new approaches to important foundational questions in general relativity and cosmology.
Del 13 - Science Networks. Historical Studies
Unified Field Theories
in the first third of the 20th century
Häftad, Engelska, 2011
706 kr
Skickas inom 10-15 vardagar
Despite the rapidly expanding ambit of physical research and the continual appearance of new branches of physics, the main thrust in its development was and is the attempt at a theoretical synthesis of the entire body of physical knowledge. The main triumphs in physical science were, as a rule, associ ated with the various phases of this synthesis. The most radical expression of this tendency is the program of construction of a unified physical theory. After Maxwellian electrodynamics had unified the phenomena of electricity, magnetism, and optics in a single theoretical scheme on the basis of the con cept of the electromagnetic field, the hope arose that the field concept would become the precise foundation of a new unified theory of the physical world. The limitations of an electromagnetic-field conception of physics, however, already had become clear in the first decade of the 20th century. The concept of a classical field was developed significantly in the general theory of relativity, which arose in the elaboration of a relativistic theory of gravitation. It was found that the gravitational field possesses, in addition to the properties inherent in the electromagnetic field, the important feature that it expresses the metric structure of the space-time continuum. This resulted in the following generalization of the program of a field synthesis of physics: The unified field representing gravitation and electromagnetism must also describe the geometry of space-time.