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Bright gamma-ray flares observed from sources far beyond our Milky Way Galaxy are best explained if enormous amounts of energy are liberated by black holes. The highest- energy particles in nature--the ultra-high-energy cosmic rays--cannot be confined by the Milky Way's magnetic field, and must originate from sources outside our Galaxy. Understanding these energetic radiations requires an extensive theoretical framework involving the radiation physics and strong-field gravity of black holes. In High Energy Radiation from Black Holes, Charles Dermer and Govind Menon present a systematic exposition of black-hole astrophysics and general relativity in order to understand how gamma rays, cosmic rays, and neutrinos are produced by black holes. Beginning with Einstein's special and general theories of relativity, the authors give a detailed mathematical description of fundamental astrophysical radiation processes, including Compton scattering of electrons and photons, synchrotron radiation of particles in magnetic fields, photohadronic interactions of cosmic rays with photons, gamma-ray attenuation, Fermi acceleration, and the Blandford-Znajek mechanism for energy extraction from rotating black holes. The book provides a basis for graduate students and researchers in the field to interpret the latest results from high-energy observatories, and helps resolve whether energy released by rotating black holes powers the highest-energy radiations in nature. The wide range of detail will make High Energy Radiation from Black Holes a standard reference for black-hole research.
Black holes (Astronomy) --- Cosmic rays. --- Gamma ray astronomy. --- Neutrinos. --- Astronomy --- Space astronomy --- Millikan rays --- Extraterrestrial radiation --- Ionizing radiation --- Nuclear physics --- Radioactivity --- Space environment --- Frozen stars --- Compact objects (Astronomy) --- Gravitational collapse --- Stars --- Neutret --- Leptons (Nuclear physics) --- Neutrons
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This book provides a comprehensive, authoritative and timely review of the astrophysical approach to the investigation of gravity theories. Particular attention is paid to strong-field tests of general relativity and alternative theories of gravity, performed using collapsed objects (neutron stars, black holes and white dwarfs) in relativistic binaries as laboratories. The book starts with an introduction which gives the background linking experimental gravity in cosmic laboratories to astrophysics and fundamental physics. Subsequent chapters cover observational and theoretical aspects of the following topics: from binaries as test-beds of gravity theories to binary pulsars as cosmic laboratories; from binary star evolution to the formation of relativistic binaries; from short gamma-ray bursts to low mass X-ray binaries; from stellar-mass black hole binaries to coalescing super-massive black holes in galaxy mergers. The book will be useful to researchers, PhD and graduate students in Astrophysics, Cosmology, Physics and Mathematics, who are interested in relativistic astrophysics, experimental gravity and general relativity.
Compact objects (Astronomy). --- Double stars --Evolution. --- General relativity (Physics). --- Relativistic astrophysics. --- Relativistic astrophysics --- General relativity (Physics) --- Compact objects (Astronomy) --- Double stars --- Astrophysics --- Astronomy - General --- Astronomy & Astrophysics --- Physical Sciences & Mathematics --- Evolution --- Evolution. --- Relativistic theory of gravitation --- Relativity theory, General --- Compact stars --- Objects, Compact (Astronomy) --- Astronomy. --- Astronomy, Astrophysics and Cosmology. --- Classical and Quantum Gravitation, Relativity Theory. --- Astrophysics and Astroparticles. --- Stars --- Relativity (Physics) --- Gravitation --- Physics --- Astrophysics. --- Gravitation. --- Field theory (Physics) --- Matter --- Antigravity --- Centrifugal force --- Astronomical physics --- Astronomy --- Cosmic physics --- Properties
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This beautifully illustrated book describes the birth and evolution of the theory of stellar structure through the vehement controversy between biology (as presented by Darwin) and physics (as presented by Kelvin) about the age of the Earth, which culminated with Rutherford suggesting radioactive dating. Shaviv analyzes critically many proclaimed scientific results, showing how and why they were wrong, and explains why it took decades to find the now accepted scientific answers - where there are such - and why there remains much more to be done before we can say we fully understand what happens up there in the heavens. The Life of the Stars provides fascinating reading for all those interested in the stars, in the history of astronomy and in what their story tells us about how science progresses. Moreover, it will bring readers up-to-date on current problems in astrophysics.
Stars -- Evolution. --- Stars -- Structure. --- Stars --- Astronomy - General --- Astrophysics --- Astronomy & Astrophysics --- Physical Sciences & Mathematics --- Structure --- Evolution --- Structure. --- Evolution. --- Stellar evolution --- Stellar structure --- Structure, Stellar --- Physics. --- History. --- Astronomy. --- Astrophysics. --- Cosmology. --- Space sciences. --- Nuclear physics. --- Heavy ions. --- Hadrons. --- Extraterrestrial Physics, Space Sciences. --- History of Science. --- Astronomy, Astrophysics and Cosmology. --- History and Philosophical Foundations of Physics. --- Nuclear Physics, Heavy Ions, Hadrons. --- Compact objects (Astronomy)
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Neutron stars are the most compact astronomical objects in the universe which are accessible by direct observation. Studying neutron stars means studying physics in regimes unattainable in any terrestrial laboratory. Understanding their observed complex phenomena requires a wide range of scientific disciplines, including the nuclear and condensed matter physics of very dense matter in neutron star interiors, plasma physics and quantum electrodynamics of magnetospheres, and the relativistic magneto-hydrodynamics of electron-positron pulsar winds interacting with some ambient medium. Not to mention the test bed neutron stars provide for general relativity theories, and their importance as potential sources of gravitational waves. It is this variety of disciplines which, among others, makes neutron star research so fascinating, not only for those who have been working in the field for many years but also for students and young scientists. The aim of this book is to serve as a reference work which not only reviews the progress made since the early days of pulsar astronomy, but especially focuses on questions such as: "What have we learned about the subject and how did we learn it?", "What are the most important open questions in this area?" and "What new tools, telescopes, observations, and calculations are needed to answer these questions?". All authors who have contributed to this book have devoted a significant part of their scientific careers to exploring the nature of neutron stars and understanding pulsars. Everyone has paid special attention to writing educational comprehensive review articles with the needs of beginners, students and young scientists as potential readers in mind. This book will be a valuable source of information for these groups.
Neutron stars. --- Pulsars. --- Neutron stars --- Pulsars --- Astrophysics --- Astronomy & Astrophysics --- Physical Sciences & Mathematics --- Pulsating radio sources --- Quantum theory. --- Particle acceleration. --- Astrophysics and Astroparticles. --- Classical and Quantum Gravitation, Relativity Theory. --- Elementary Particles, Quantum Field Theory. --- Particle Acceleration and Detection, Beam Physics. --- Strongly Correlated Systems, Superconductivity. --- Radiation sources --- Compact objects (Astronomy) --- Stars --- Particles (Nuclear physics) --- Acceleration (Mechanics) --- Nuclear physics --- Quantum dynamics --- Quantum mechanics --- Quantum physics --- Physics --- Mechanics --- Thermodynamics --- Acceleration --- Astrophysics. --- Gravitation. --- Elementary particles (Physics). --- Quantum field theory. --- Superconductivity. --- Superconductors. --- Superconducting materials --- Superconductive devices --- Cryoelectronics --- Electronics --- Solid state electronics --- Electric conductivity --- Critical currents --- Superfluidity --- Relativistic quantum field theory --- Field theory (Physics) --- Quantum theory --- Relativity (Physics) --- Elementary particles (Physics) --- High energy physics --- Nuclear particles --- Nucleons --- Matter --- Antigravity --- Centrifugal force --- Astronomical physics --- Astronomy --- Cosmic physics --- Materials --- Properties
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