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Relativity --- Gravitation --- Cosmology
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Einstein's theory of relativity shattered the world of physics - replacing Newtonian ideas of space and time with bizarre and counterintuitive conclusions, a world of slowing clocks and stretched space, black holes and curved space-time. This introduction explores and explains the theory in an accessible and understandable way.
Relativity (Physics) --- Gravitation --- Nonrelativistic quantum mechanics --- Space and time
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The Marcel Grossmann Meetings are three-yearly forums that meet to discuss recent advances in gravitation, general relativity and relativistic field theories, emphasizing their mathematical foundations, physical predictions and experimental tests. These meetings aim to facilitate the exchange of ideas among scientists, to deepen our understanding of space-time structures, and to review the status of ongoing experiments and observations testing Einstein's theory of gravitation either from ground or space-based experiments. Since the first meeting in 1975 in Trieste, Italy, which was established by Remo Ruffini and Abdus Salam, the range of topics presented at these meetings has gradually widened to accommodate issues of major scientific interest, and attendance has grown to attract more than 900 participants from over 80 countries. This proceedings volume of the eleventh meeting in the series, held in Berlin in 2006, highlights and records the developments and applications of Einstein's theory in diverse areas ranging from fundamental field theories to particle physics, astrophysics and cosmology, made possible by unprecedented technological developments in experimental and observational techniques from space, ground and underground observatories. It provides a broad sampling of the current work in the field, especially relativistic astrophysics, including many reviews by leading figures in the research community.
General relativity (Physics) --- Gravitation --- Quantum gravity --- Cosmology --- Astrophysics
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This book presents an interdisciplinary approach to the question of how observer-participant perspectives are generated, what constrains them and how they may be modified. These questions are of vital importance and must be addressed in any discipline before formulating a hypothesis or designing a model about reality. Both epistemological questions about the nature of temporal nested structures and practical applications of our ability to contextualize are discussed. The resulting temporal observer-participant perspectives reflect approaches to the concept of simultaneity from the viewpoints
Simultaneity (Physics) --- Relativity (Physics) --- Gravitation --- Nonrelativistic quantum mechanics --- Space and time --- Coincidence
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The classical theory of electromagnetism is entirely revised in this book by proposing a variant of Maxwell equations that allows solitonic solutions (photons). The Lagrangian is the standard one, but it is minimized on a constrained space that enforces the wave packets to follow the rules of geometrical optics. Exact solutions are explicitly shown; this opens a completely new perspective for the study of light wave phenomena. In the framework of general relativity, the equations are written in covariant form. A coupling with the metric is obtained through the Einstein equation, whose solution
Electromagnetism. --- Matter. --- Atoms --- Dynamics --- Gravitation --- Physics --- Substance (Philosophy) --- Electromagnetics --- Magnetic induction --- Magnetism --- Metamaterials
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The geometric interpretation of gravitation is one of the major foundations of modern theoretical physics. This primer introduces classical general relativity with emphasis on the clarity of conceptual structure and on the basic mathematical methods to build up systematically application skills. The wealth of physical phenomena entailed by the Einstein‘s equations is revealed with the help of specific models describing gravitomagnetism, gravitational waves, cosmology, gravitational collapse and black holes. End-of-chapter exercises complete the main text. This book is based on class-tested notes for courses that have been held by the author over many years at the University of Bern, where Einstein worked at the local patent office and where the foundations of special relativity were laid.
Physics. --- Classical and Quantum Gravitation, Relativity Theory. --- Differential Geometry. --- Astrophysics and Astroparticles. --- Global differential geometry. --- Physique --- Géométrie différentielle globale --- General relativity (Physics) --- Atomic Physics --- Physics --- Physical Sciences & Mathematics --- Relativity (Physics) --- Relativistic theory of gravitation --- Relativity theory, General --- Differential geometry. --- Gravitation. --- Astrophysics. --- Gravitation --- Nonrelativistic quantum mechanics --- Space and time --- Geometry, Differential --- Astronomical physics --- Astronomy --- Cosmic physics --- Differential geometry --- Field theory (Physics) --- Matter --- Antigravity --- Centrifugal force --- Properties
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Suitable for specialists in materials science and applied mechanics, this book discusses high performance structures using macro-micro theories and a micro mechanics approach.
Matter. --- Inhomogeneous materials. --- Heterogeneous materials --- Inhomogeneous media --- Media, Inhomogeneous --- Materials --- Matter --- Atoms --- Dynamics --- Gravitation --- Physics --- Substance (Philosophy)
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In the early 1900s, Albert Einstein formulated two theories that would forever change the landscape of physics: the Special Theory of Relativity and the General Theory of Relativity. By 1925, quantum mechanics had been born out of the dissection of these two theories, and shortly after that, relativistic quantum field theory. We now had in place some important ties between the laws of physics and the types of particle interactions the new physics was uncovering. Gravity is one of the four types of forces that are found throughout the universe. In fact, although it is a relatively weak force, it operates at huge distances, and so must be accounted for in any cosmological system. Unfortunately, gravity continues to defy our neat categorization of how all the forces in nature work together. Professor Tai Chow, from the California State University at Stanislaus in Turlock, lays out for us the basic ideas of Einstein, including his law of gravitation, explains the physics behind black holes, and weaves into this an absorbing account an explanation of the structure of the universe and the science of cosmology, including presenting the various models of the Big Bang, the Inflationary Universe, and the Unification of Forces. Travel with him down this engaging path to reach some fascinating conclusions, which raise even more interesting questions for the future of astronomy and physics. Says Dr. Mark Silverman of Trinity College in Hartford, Connecticut: "The author … introduces the mathematical methods essential to understanding and applying general relativity…but leaves to more advanced references derivations that a beginning student would likely find overly long and tedious…. In this way the student can concentrate on learning physics ….A strong point [is] the comprehensive discussion of the physics of black holes. Here again the author has hit just the right level of presentation: sufficient mathematical detail to demonstrate …the physical attributes of black holes…yet not so much mathematics as to lose track of the physics in an impenetrable forest of equations. An equally strong point is the discussion of the most exciting contemporary issues in astrophysics apart from black holes…".
Black holes (Astronomy) --- Cosmology. --- General relativity (Physics) --- Gravitation. --- Quantum field theory. --- Field theory (Physics) --- Matter --- Physics --- Antigravity --- Centrifugal force --- Relativity (Physics) --- Astronomy --- Deism --- Metaphysics --- Properties --- Relativistic quantum field theory --- Quantum theory --- Relativistic theory of gravitation --- Relativity theory, General --- Gravitation --- Frozen stars --- Compact objects (Astronomy) --- Gravitational collapse --- Stars --- Astronomy. --- Mathematical physics. --- Mechanics. --- Classical and Quantum Gravitation, Relativity Theory. --- Astrophysics and Astroparticles. --- Astronomy, Astrophysics and Cosmology. --- Mathematical Methods in Physics. --- Classical Mechanics. --- Classical mechanics --- Newtonian mechanics --- Dynamics --- Physical mathematics --- Mathematics --- Astrophysics. --- Physics. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Astronomical physics --- Cosmic physics
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Over the next decade the gravitational physics community will benefit from dramatic improvements in many technologies critical to testing gravity. Highly accurate deep space navigation, interplanetary laser communication, interferometry and metrology, high precision frequency standards, precise pointing and attitude control, together with drag-free technologies, will revolutionize the field of experimental gravitational physics. The centennial of the general theory of relativity in 2015 will motivate a significant number of experiments designed to test this theory with unprecedented accuracy. The purpose of the contributions in this book, written by international experts, is to explore the possibilities for the next 20 years for conducting gravitational experiments in space that would utilize both entirely new and highly improved existing capabilities.
Physics. --- Classical and Quantum Gravitation, Relativity Theory. --- Measurement Science and Instrumentation. --- Extraterrestrial Physics, Space Sciences. --- Astrophysics. --- Physique --- Astrophysique --- General relativity (Physics). --- Gravitation. --- Gravity. --- Gravitation --- General relativity (Physics) --- Atomic Physics --- Physics --- Physical Sciences & Mathematics --- Experiments --- Experiments. --- Relativistic theory of gravitation --- Relativity theory, General --- Space Sciences (including Extraterrestrial Physics, Space Exploration and Astronautics). --- Field theory (Physics) --- Matter --- Antigravity --- Centrifugal force --- Relativity (Physics) --- Properties --- Astronomical physics --- Astronomy --- Cosmic physics --- Physical measurements. --- Measurement . --- Space sciences. --- Science and space --- Space research --- Cosmology --- Science --- Measuring --- Mensuration --- Mathematics --- Technology --- Metrology --- Physical measurements --- Measurements, Physical --- Mathematical physics --- Measurement
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The exploration of the first billion years of the history of the Universe, from the so-called Dark Ages to cosmic reionisation, represents one of the great challenges of contemporary astrophysics and one of the main drivers for future observational facilities. The book contains the elaborated notes of lectures given at the 36th Saas-Fee Advanced Course "First Light in the Universe" by three eminent scientists in the field: Abraham Loeb, Andrea Ferrara, and Richard Ellis. The formation of the first stars and black holes, the initial mass function, feedback effects, early dust formation, the history of cosmic star formation, distant galaxies, cosmic reionisation and the cosmic infrared background are the main topics treated. This book provides an accessible and up-to-date review of the field and will be useful to graduate students of astronomy, cosmologists, physicists and researchers.
Galaxies --- Active galaxies --- Stars --- Red shift --- Evolution --- Observations --- Redshift --- Astrophysics --- Cosmology --- Doppler effect --- Expanding universe --- Astronomy. --- Astronomy, Astrophysics and Cosmology. --- Classical and Quantum Gravitation, Relativity Theory. --- Astrophysics. --- Gravitation. --- Field theory (Physics) --- Matter --- Physics --- Antigravity --- Centrifugal force --- Relativity (Physics) --- Astronomical physics --- Astronomy --- Cosmic physics --- Properties
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