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"Sachs, Mendel"
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Concepts Of Modern Physics
This book highlights foundational issues in theoretical physics in an informal, open style of lecture. It expresses the flow of ideas in physics - from the period of Galileo and Newton to the contemporary ideas of the quantum and relativity theories, astrophysics and cosmology - as explanations for the laws of matter. Rather than presenting the ideas of physics as a fait accompli, the book leaves it up to the reader to decide which of these 20th-century ideas in science will carry over to the 21st century for our further comprehension of the laws of nature in all domains, from that of elementary particles to cosmology.It is the contention of the author that our future progress in physics comprehension will only take place when the foundational controversies between the quantum and relativity theories are recognized and discussion is given to their resolution. The book, therefore, presents an attitude not normally taken in other present-day books on subjects in contemporary theoretical physics and cosmology.Sample Chapter(s)Lecture I: Philosophy of Science (83 KB)Contents:Philosophy of ScienceClassical Precursors for the Concepts of Modern PhysicsNineteenth Century Physics: Atomism and ContinuityEarly Anomalies and Elementary ParticlesFrom the Old Quantum Theory to Quantum MechanicsQuantum Mechanics: Heisenberg's Matrix Mechanics and the Copenhagen SchoolConcepts of the Theory of RelativityFrom Special to General RelativityThe UniverseConflicts in the Foundations of the Quantum and Relativity TheoriesReadership: Academics, undergraduates, and graduates in physics and philosophy; interested general readers.
eBook
Physics of the universe
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.
eBook
Concepts of modern physics
This book highlights foundational issues in theoretical physics in an informal, open style of lecture. It expresses the flow of ideas in physics — from the period of Galileo and Newton to the contemporary ideas of the quantum and relativity theories, astrophysics and cosmology — as explanations for the laws of matter. Rather than presenting the ideas of physics as a fait accompli, the book leaves it up to the reader to decide which of these 20th-century ideas in science will carry over to the 21st century for our further comprehension of the laws of nature in all domains, from that of elementary particles to cosmology.
eBook
On Hawking's A Brief History of Time and the Present State of Physics
S. W. Hawking's \"A Brief History of Time\" is discussed. Hawking's book presents a view toward a fundamental explanation of the universe based on some speculative ideas in physics.
Journal Article
Physics of the Universe
The following sections are included:
Introduction
Is Newton's Theory an Explanation of Gravity?
The Expanding Universe
The Oscillating Universe Cosmology
The Theory of General Relativity
The Role of Space and Time
Geometry and Matter
Generalization of Einstein's Field Equations
A Unified Field Theory
Book Chapter
Dark Matter
The following sections are included:
Introduction
The Field Equations and the Ground State Solution for the Bound Particle-Antiparticle Pair
Separation of Matter and Antimatter in the Universe
Olber's Paradox
Book Chapter
Philosophical Considerations
The following sections are included:
On Truth
Positivism versus Realism, Subjectivity versus Objectivity
On Mach's Influence in Physics and Cosmology
The quantum mechanical limit
The Mach principle
The Mach principle and a unified field theory
Book Chapter
An Oscillating, Spiral Universe Cosmology
The following sections are included:
Introduction
The oscillating universe cosmology
Equations of motion in general relativity
Dynamics of the Expansion and Contraction of the Universe
The geodesic equation in quaternion form
Dynamics of the Oscillating Universe Cosmology
Derivation of the Hubble Law as an Approximation
The Spiral Structure of the Universe
Concluding Remarks
Book Chapter