A New Class Of Solutions To The Einstein Equations Lorentzian Wormholes With Rotating Throat
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Lorentzian Wormholes
| Author | : Matt Visser |
| Publisher | : American Institute of Physics |
| Total Pages | : 454 |
| Release | : 1995 |
| Genre | : Science |
| ISBN | : |
Drawing on pivotal work by Einstein, Wheeler, Thorne, Hawking, and others, Matt Visser charts the development and current state of Lorentzian wormhole physics. Dr. Visser shows that by pushing established physical theories to their limits, it is possible to deduce the true physics of such exotica as wormholes and time travel. The physical framework he uses is derived from one of the major research frontiers of modern theoretical physics: quantum gravity the intersection of classical Einstein gravity and quantum field theory. About the Author Matt Visser is Research Assistant Professor at Washington University, St. Louis. He has lectured in the United States and abroad on topics including wormhole physics, time travel, and the chronology protection conjecture. He has conducted postdoctoral research at both the University of Southern California and at Los Alamos National Laboratory.
Wormholes, Warp Drives and Energy Conditions
| Author | : Francisco S. N. Lobo |
| Publisher | : Springer |
| Total Pages | : 306 |
| Release | : 2017-05-16 |
| Genre | : Science |
| ISBN | : 3319551825 |
Top researchers in the field of gravitation present the state-of-the-art topics outlined in this book, ranging from the stability of rotating wormholes solutions supported by ghost scalar fields, modified gravity applied to wormholes, the study of novel semi-classical and nonlinear energy conditions, to the applications of quantum effects and the superluminal version of the warp drive in modified spacetime. Based on Einstein's field equations, this cutting-edge research area explores the more far-fetched theoretical outcomes of General Relativity and relates them to quantum field theory. This includes quantum energy inequalities, flux energy conditions, and wormhole curvature, and sheds light on not just the theoretical physics but also on the possible applications to warp drives and time travel. This book extensively explores the physical properties and characteristics of these 'exotic spacetimes,' describing in detail the general relativistic geometries that generate closed timelike curves.
Black Holes: A Laboratory for Testing Strong Gravity
| Author | : Cosimo Bambi |
| Publisher | : Springer |
| Total Pages | : 340 |
| Release | : 2017-06-01 |
| Genre | : Science |
| ISBN | : 9811045240 |
This textbook introduces the current astrophysical observations of black holes, and discusses the leading techniques to study the strong gravity region around these objects with electromagnetic radiation. More importantly, it provides the basic tools for writing an astrophysical code and testing the Kerr paradigm. Astrophysical black holes are an ideal laboratory for testing strong gravity. According to general relativity, the spacetime geometry around these objects should be well described by the Kerr solution. The electromagnetic radiation emitted by the gas in the inner part of the accretion disk can probe the metric of the strong gravity region and test the Kerr black hole hypothesis. With exercises and examples in each chapter, as well as calculations and analytical details in the appendix, the book is especially useful to the beginners or graduate students who are familiar with general relativity while they do not have any background in astronomy or astrophysics.“/p>
Contact
| Author | : Carl Sagan |
| Publisher | : Simon and Schuster |
| Total Pages | : 384 |
| Release | : 2016-12-20 |
| Genre | : Fiction |
| ISBN | : 150117231X |
Pulitzer Prize-winning author and astronomer Carl Sagan imagines the greatest adventure of all—the discovery of an advanced civilization in the depths of space. In December of 1999, a multinational team journeys out to the stars, to the most awesome encounter in human history. Who—or what—is out there? In Cosmos, Carl Sagan explained the universe. In Contact, he predicts its future—and our own.
A Relativist's Toolkit
| Author | : Eric Poisson |
| Publisher | : Cambridge University Press |
| Total Pages | : 253 |
| Release | : 2004-05-06 |
| Genre | : Science |
| ISBN | : 1139451995 |
This 2004 textbook fills a gap in the literature on general relativity by providing the advanced student with practical tools for the computation of many physically interesting quantities. The context is provided by the mathematical theory of black holes, one of the most elegant, successful, and relevant applications of general relativity. Among the topics discussed are congruencies of timelike and null geodesics, the embedding of spacelike, timelike and null hypersurfaces in spacetime, and the Lagrangian and Hamiltonian formulations of general relativity. Although the book is self-contained, it is not meant to serve as an introduction to general relativity. Instead, it is meant to help the reader acquire advanced skills and become a competent researcher in relativity and gravitational physics. The primary readership consists of graduate students in gravitational physics. It will also be a useful reference for more seasoned researchers working in this field.
Dark Energy
| Author | : Luca Amendola |
| Publisher | : Cambridge University Press |
| Total Pages | : 507 |
| Release | : 2010-06-10 |
| Genre | : Science |
| ISBN | : 0521516005 |
Introducing the theoretical ideas, observational methods and results in dark energy, this textbook is a thorough introduction to dark energy for graduate courses.
Literature 1992, Part 1
| Author | : Astronomisches Recheninstitut |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 1456 |
| Release | : 2013-11-11 |
| Genre | : Science |
| ISBN | : 3662123797 |
"Astronomy and Astrophysics Abstracts" appearing twice a year has become oneof the fundamental publications in the fields of astronomy, astrophysics andneighbouring sciences. It is the most important English-language abstracting journal in the mentioned branches. The abstracts are classified under more than a hundred subject categories, thus permitting a quick survey of the whole extended material. The AAA is a valuable and important publication for all students and scientists working in the fields of astronomy and related sciences. As such it represents a necessary ingredient of any astronomical library all over the world.
