Physics of the universe / Mendel Sachs.

By: Sachs, MendelMaterial type: TextTextLanguage: English Copyright date: London : Imperial College Press ; 2010Edition: First editionDescription: xvii, 128 pages : illustrations ; 24 cmISBN: 9781848165328 ; 1848165323 Subject(s): Cosmology | Cosmología | Unified field theories | Teoría del campo unificado | General relativity (Physics) | Relatividad general (Física)DDC classification: 523.1
Partial contents:
Physics of the universe -- The language of cosmology: the mathematical basis of general relativity -- A unified field theory in general relativity: extension from the tensor to the quaternion language -- An oscillating, spiral universe cosmology -- Dark matter -- Concluding remarks -- Philosophical considerations.
Abstract: This book presents a new approach to the subject of cosmology. It fully exploits Einstein's theory of general relativity. It is found that the most general formal expression of the theory replaces the (10-component) tensor formalism with a (16-component) quaternion formalism. This leads to a unified field theory, where one field incorporates gravitation and electromagnetism. The theory predicts an oscillating universe cosmology with a spiral configuration. Dark matter is explained in terms of a sea of particle-antiparticle pairs, each in a particular (derived) ground state. This leads to an explanation for the separation between matter and antimatter in the universe. There is a brief discussion of black holes and pulsars. The final chapter delves into philosophical considerations such as the different types of 'truth', positivism versus realism and a discussion of the role of the Mach principle in physics and cosmology.
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Item type Current library Call number Copy number Status Date due Barcode Item holds
Libro académico Libro académico Biblioteca del Campus
523.1 S1214p 2010 (Browse shelf (Opens below)) Ej. 1 Checked out 03/16/2020 000295
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Includes bibliographical references and index.

Physics of the universe -- The language of cosmology: the mathematical basis of general relativity -- A unified field theory in general relativity: extension from the tensor to the quaternion language -- An oscillating, spiral universe cosmology -- Dark matter -- Concluding remarks -- Philosophical considerations.

This book presents a new approach to the subject of cosmology. It fully exploits Einstein's theory of general relativity. It is found that the most general formal expression of the theory replaces the (10-component) tensor formalism with a (16-component) quaternion formalism. This leads to a unified field theory, where one field incorporates gravitation and electromagnetism. The theory predicts an oscillating universe cosmology with a spiral configuration. Dark matter is explained in terms of a sea of particle-antiparticle pairs, each in a particular (derived) ground state. This leads to an explanation for the separation between matter and antimatter in the universe. There is a brief discussion of black holes and pulsars. The final chapter delves into philosophical considerations such as the different types of 'truth', positivism versus realism and a discussion of the role of the Mach principle in physics and cosmology.

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