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Nonlocal Astrophysics

Nonlocal Astrophysics
Dark Matter, Dark Energy and Physical Vacuum

by Boris V. Alexeev

  • Publisher : Elsevier
  • Release : 2017-07-17
  • Pages : 478
  • ISBN : 0444640207
  • Language : En, Es, Fr & De
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Non-Local Astrophysics: Dark Matter, Dark Energy and Physical Vacuum highlights the most significant features of non-local theory, a highly effective tool for solving many physical problems in areas where classical local theory runs into difficulties. The book provides the fundamental science behind new non-local astrophysics, discussing non-local kinetic and generalized hydrodynamic equations, non-local parameters in several physical systems, dark matter, dark energy, black holes and gravitational waves. Devoted to the solution of astrophysical problems from the position of non-local physics Provides a solution for dark matter and dark energy Discusses cosmological aspects of the theory of non-local physics Includes a solution for the problem of the Hubble Universe expansion, and of the dependence of the orbital velocity from the center of gravity

Nonlocal Gravity

Nonlocal Gravity
A Book

by Bahram Mashhoon

  • Publisher : Oxford University Press
  • Release : 2017-05-05
  • Pages : 249
  • ISBN : 0192525956
  • Language : En, Es, Fr & De
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Relativity theory is based on a postulate of locality, which means that the past history of the observer is not directly taken into account. This book argues that the past history should be taken into account. In this way, nonlocality—-in the sense of history dependence—-is introduced into relativity theory. The deep connection between inertia and gravitation suggests that gravity could be nonlocal, and in nonlocal gravity the fading gravitational memory of past events must then be taken into account. Along this line of thought, a classical nonlocal generalization of Einstein's theory of gravitation has recently been developed. A significant consequence of this theory is that the nonlocal aspect of gravity appears to simulate dark matter. According to nonlocal gravity theory, what astronomers attribute to dark matter should instead be due to the nonlocality of gravitation. Nonlocality dominates on the scale of galaxies and beyond. Memory fades with time; therefore, the nonlocal aspect of gravity becomes weaker as the universe expands. The implications of nonlocal gravity are explored in this book for gravitational lensing, gravitational radiation, the gravitational physics of the Solar System and the internal dynamics of nearby galaxies, as well as clusters of galaxies. This approach is extended to nonlocal Newtonian cosmology, where the attraction of gravity fades with the expansion of the universe. Thus far, scientists have only compared some of the consequences of nonlocal gravity with astronomical observations.

General Relativity And Relativistic Astrophysics - Proceedings Of The 5th Canadian Conference

General Relativity And Relativistic Astrophysics - Proceedings Of The 5th Canadian Conference
A Book

by Mann Robert B,Mclenaghan Raymond G

  • Publisher : World Scientific
  • Release : 1994-08-31
  • Pages : 500
  • ISBN : 9814550310
  • Language : En, Es, Fr & De
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This book reviews comprehensively the technological, scientific, artistic and medical applications of liquid crystals. It starts with the basics of liquid crystals and covers electro-optical, thermo-optical, colour, polymeric, lyotropic, and scientific applications of liquid crystalline materials. It discusses the fabrication and operational principles of a full range of liquid crystal displays including dynamic scattering, twisted nematic, supertwisted nematic, dichroic, smectic A, ferroelectric, polymer dispersed, light valve, active matrix, etc., in detail. It also covers the emerging applications of liquid crystals such as optical computing, nonlinear optics, decorative and visual arts. The detailed chapters on classification, theory, chemical structure, physical properties and surface alignment of liquid crystals facilitate the basic understanding of the science behind LCDs and other uses of liquid crystals. The chapters on liquid crystal polymers and lyotropic liquid crystals, give deep insight into these areas. The potential uses and applications are also described in detail.

Relativistic Astrophysics and Cosmology

Relativistic Astrophysics and Cosmology
A Book

by Maurice Mandel Shapiro,Todor Stanev,J. P. Wefel

  • Publisher : World Scientific
  • Release : 2004
  • Pages : 360
  • ISBN : 9812387277
  • Language : En, Es, Fr & De
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This book constitutes the proceedings of the 13th Course of the International School of Cosmic Ray Astrophysics. It focuses on major areas of astrophysics, their relation to cosmic ray physics, and our current understanding of the energetic processes in the Galaxy and the Universe that govern the acceleration and form the features of the cosmic rays that we detect at Earth.The proceedings have been selected for coverage in: ? Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)? CC Proceedings ? Engineering & Physical Sciences

Atoms in Astrophysics

Atoms in Astrophysics
A Book

by P. Burke

  • Publisher : Springer Science & Business Media
  • Release : 2013-03-07
  • Pages : 356
  • ISBN : 1461335361
  • Language : En, Es, Fr & De
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It is hard to appreciate but nevertheless true that Michael John Seaton, known internationally for the enthusiasm and skill with which he pursues his research in atomic physics and astrophysics, will be sixty years old on the 16th of January 1983. To mark this occasion some of his colleagues and former students have prepared this volume. It contains articles that de scribe some of the topics that have attracted his attention since he first started his research work at University College London so many years ago. Seaton's association with University College London has now stretched over a period of some 37 years, first as an undergraduate student, then as a research student, and then, successively, as Assistant Lecturer, Lecturer, Reader, and Professor. Seaton arrived at University College London in 1946 to become an undergraduate in the Physics Department, having just left the Royal Air Force in which he had served as a navigator in the Pathfinder Force of Bomber Command. There are a number of stories of how his skill with instruments and the precision of his calcula tions, later to be so evident in his research, saved his crew from enemy action, and on one occasion, on a flight through the Alps, from a collision with Mount Blanc that at the time was shrouded in clouds.

Annual Review of Astronomy and Astrophysics

Annual Review of Astronomy and Astrophysics
A Book

by Anonim

  • Publisher : Unknown Publisher
  • Release : 2004
  • Pages : 329
  • ISBN : 9876543210XXX
  • Language : En, Es, Fr & De
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Astrophysics and the Evolution of the Universe

Astrophysics and the Evolution of the Universe
Second Edition

by Leonard S Kisslinger

  • Publisher : World Scientific Publishing Company
  • Release : 2016-08-08
  • Pages : 236
  • ISBN : 9813147121
  • Language : En, Es, Fr & De
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The aim of this book is to teach undergraduate college or university students, and adults interested in astronomy and astrophysics, the basic mathematics and physics concepts needed to understand the evolution of the universe, and based on this to teach the astrophysical theories behind evolution from the very early times to the present. The book does not require extensive knowledge of mathematics, like calculus, and includes material that explains concepts such as velocity, acceleration, and force. Based on this, fascinating topics such as Dark Matter, measuring Dark Energy via supernovae velocities, and the creation of mass via the Higgs mechanism are explained. All college students with an interest in science, especially astronomy, without extensive mathematical backgrounds, should be able to use and learn from this book. Adults interested in topics like Dark Energy, the Higgs boson, and detection of Gravitational Waves, which are in the news, can make use of this book as well.

Laboratory Astrophysics

Laboratory Astrophysics
A Book

by Guillermo M. Muñoz Caro,Rafael Escribano

  • Publisher : Springer
  • Release : 2018-10-11
  • Pages : 237
  • ISBN : 331990020X
  • Language : En, Es, Fr & De
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This book focuses on the most recent, relevant, comprehensive and significant aspects in the well-established multidisciplinary field Laboratory Astrophysics. It focuses on astrophysical environments, which include asteroids, comets, the interstellar medium, and circumstellar and circumplanetary regions. Its scope lies between physics and chemistry, since it explores physical properties of the gas, ice, and dust present in those systems, as well as chemical reactions occurring in the gas phase, the bare dust surface, or in the ice bulk and its surface. Each chapter provides the necessary mathematical background to understand the subject, followed by a case study of the corresponding system. The book provides adequate material to help interpret the observations, or the computer models of astrophysical environments. It introduces and describes the use of spectroscopic tools for laboratory astrophysics. This book is mainly addressed to PhD graduates working in this field or observers and modelers searching for information on ice and dust processes.

Stellar Astrophysics for the Local Group

Stellar Astrophysics for the Local Group
VIII Canary Islands Winter School of Astrophysics

by Spain) Canary Islands Winter School of Astrophysics 1996 (Tenerife

  • Publisher : Cambridge University Press
  • Release : 1998-06-13
  • Pages : 607
  • ISBN : 9780521632553
  • Language : En, Es, Fr & De
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A review of the new subject of extragalactic stellar astrophysics - for both graduate students and researchers working in astrophysics.

Plasma Astrophysics And Space Physics

Plasma Astrophysics And Space Physics
Proceedings of the VIIth International Conference held in Lindau, Germany, May 4–8, 1998

by Jörg Büchner,Sir Ian Axford,Eckart Marsch,Vytenis Vasyliunas

  • Publisher : Springer Science & Business Media
  • Release : 2012-12-06
  • Pages : 754
  • ISBN : 9401142033
  • Language : En, Es, Fr & De
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In May 1998 a hundred renowned scientists from 20 different countries met at the Max-Planck-Institut für Aeronomie to communicate their latest results and ideas in astrophysical and space plasma, as a follow-up to previous similar meetings which were held in Varenna, Abastumai, Potsdam, Toki and Guaruja. The main papers emerging from this meeting are collected in this volume. They deal with fundamental plasma phenomena, particle and radiation processes in astrophysics and space physics as the origin of magnetic activity, the basic mechanisms of particle acceleration and plasma heating common to plasma in galaxies and at the sun as well as in planetary magnetospheres. New observational results from YOHKOH, SOHO and other missions are presented. Using these, the basic physical processes leading to coronal heating and solar/stellar wind acceleration are discussed. Other topics are the microphysics of shock waves and transport phenomena in collisionless plasmas and the physics of thin plasma boundaries. The volume also treats the ionic composition of plasma and dust in the Universe and their observability in the solar system. A CD-ROM is attached which adds a valuable multimedia component, illuminating results of observations, theory and simulations. Everyone interested in astrophysical plasmas, its radiation and charged particle aspects, and advanced or even beginning students will find references to nearly all modern aspects of plasma astrophysics and space physics as well as an overview of current research results.

Convection in Astrophysics (IAU S239)

Convection in Astrophysics (IAU S239)
A Book

by International Astronomical Union. Symposium

  • Publisher : Cambridge University Press
  • Release : 2007-06-07
  • Pages : 524
  • ISBN : 9780521863490
  • Language : En, Es, Fr & De
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IAU S239 report on convection for astronomers and graduate students in astrophysics.

Unstable Current Systems and Plasma Instabilities in Astrophysics

Unstable Current Systems and Plasma Instabilities in Astrophysics
Proceedings of the 107th Symposium of the International Astronomical Union Held in College Park, Maryland, U.S.A., August 8–11, 1983

by M. R. Kundu,Gordon D. Holman

  • Publisher : Springer Science & Business Media
  • Release : 2012-12-06
  • Pages : 592
  • ISBN : 9400965206
  • Language : En, Es, Fr & De
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Proceedings of Symposium No. 107 held in College Park, Maryland, U.S.A., August 8-11, 1983

Nonlocal Quantum Field Theory and Stochastic Quantum Mechanics

Nonlocal Quantum Field Theory and Stochastic Quantum Mechanics
A Book

by K.H. Namsrai

  • Publisher : Springer Science & Business Media
  • Release : 2012-12-06
  • Pages : 426
  • ISBN : 9400945183
  • Language : En, Es, Fr & De
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over this stochastic space-time leads to the non local fields considered by G. V. Efimov. In other words, stochasticity of space-time (after being averaged on a large scale) as a self-memory makes the theory nonlocal. This allows one to consider in a unified way the effect of stochasticity (or nonlocality) in all physical processes. Moreover, the universal character of this hypothesis of space-time at small distances enables us to re-interpret the dynamics of stochastic particles and to study some important problems of the theory of stochastic processes [such as the relativistic description of diffusion, Feynman type processes, and the problem of the origin of self-turbulence in the motion of free particles within nonlinear (stochastic) mechanics]. In this direction our approach (Part II) may be useful in recent developments of the stochastic interpretation of quantum mechanics and fields due to E. Nelson, D. Kershaw, I. Fenyes, F. Guerra, de la Pena-Auerbach, J. -P. Vigier, M. Davidson, and others. In particular, as shown by N. Cufaro Petroni and J. -P. Vigier, within the discussed approach, a causal action-at-distance interpretation of a series of experiments by A. Aspect and his co-workers indicating a possible non locality property of quantum mechanics, may also be obtained. Aspect's results have recently inspired a great interest in different nonlocal theories and models devoted to an understanding of the implications of this nonlocality. This book consists of two parts.

Nuclear Reactions for Astrophysics

Nuclear Reactions for Astrophysics
Principles, Calculation and Applications of Low-Energy Reactions

by Ian J. Thompson,Filomena M. Nunes

  • Publisher : Cambridge University Press
  • Release : 2009-07-02
  • Pages : 466
  • ISBN : 0521856353
  • Language : En, Es, Fr & De
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Describes how the processes in stars which produce the chemical elements for planets and life may be reproduced in laboratories.

Gravity and the Quantum

Gravity and the Quantum
Pedagogical Essays on Cosmology, Astrophysics, and Quantum Gravity

by Jasjeet Singh Bagla,Sunu Engineer

  • Publisher : Springer
  • Release : 2017-02-23
  • Pages : 494
  • ISBN : 3319517007
  • Language : En, Es, Fr & De
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This book provides a compilation of in-depth articles and reviews on key topics within gravitation, cosmology and related issues. It is a celebratory volume dedicated to Prof. Thanu Padmanabhan ("Paddy"), the renowned relativist and cosmologist from IUCAA, India, on the occasion of his 60th birthday. The authors, many of them leaders of their fields, are all colleagues, collaborators and former students of Paddy, who have worked with him over a research career spanning more than four decades. Paddy is a scientist of diverse interests, who attaches great importance to teaching. With this in mind, the aim of this compilation is to provide an accessible pedagogic introduction to, and overview of, various important topics in cosmology, gravitation and astrophysics. As such it will be an invaluable resource for scientists, graduate students and also advanced undergraduates seeking to broaden their horizons.

Astronomy and Astrophysics Abstracts

Astronomy and Astrophysics Abstracts
Literature 1982

by S. Böhme,W. Fricke,H. Hefele,I. Heinrich,W. Hofmann,D. Krahn,V. R. Matas,L. D. Schmadel,G. Zech

  • Publisher : Springer Science & Business Media
  • Release : 2013-12-14
  • Pages : 778
  • ISBN : 3662123347
  • Language : En, Es, Fr & De
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Astronomy and Astrophysics Abstracts, which has appeared in semi-annual volumes since 1969, is devoted to the recording, summarizing and indexing of astronomical publications throughout the world. It is prepared under the auspices of the International Astronomical Union (according to a resolution adopted at the 14th General Assembly in 1970). Astronomy and Astrophysics Abstracts aims to present a comprehensive documenta tion of literature in all fields of astronomy and astrophysics. Every effort will be made to ensure that the average time interval between the date of receipt of the original literature and publication of the abstracts will not exceed eight months. This time interval is near to that achieved by monthly abstracting journals, compared to which our system of accumu lating abstracts for about six months offers the advantage of greater convenience for the user. Volume 31 contains literature published in 1982 and received before July 15, 1982; some older literature which was received late and which is not recorded in earlier volumes is also included. We acknowledge with thanks contributions to this volume by Dr. J. Bouska, Prague, who surveyed journals and publications in Czech and supplied us with abstracts in English .

Dark Matter in Astrophysics and Particle Physics 1998

Dark Matter in Astrophysics and Particle Physics 1998
Proceedings of the Second International Conference on Dark Matter in Astro and Particle Physics, held in Heidelberg, Germany, 20-25 July 1998

by L Baudis

  • Publisher : CRC Press
  • Release : 1999-01-01
  • Pages : 500
  • ISBN : 9780750306348
  • Language : En, Es, Fr & De
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One of the major open questions in high energy physics and cosmology is the nature and origin of dark matter. Dark Matter in Astrophysics and Particle Physics 1998 provides a comprehensive overview of the current status of research in this topical field. The book brings together leading researchers from around the world to review recent progress and future directions for research in the different approaches to the dark matter problem. It collects results from cosmology, large-scale structure, and accelerator and nonaccelerator physics. The book also reviews the correlations between and the virtues of each of the fields for the determination of abundance, nature, and origin of dark matter.

Collisionless Plasmas in Astrophysics

Collisionless Plasmas in Astrophysics
A Book

by Gérard Belmont,Roland Grappin,Fabrice Mottez,Filippo Pantellini,Guy Pelletier

  • Publisher : John Wiley & Sons
  • Release : 2013-09-10
  • Pages : 422
  • ISBN : 3527656243
  • Language : En, Es, Fr & De
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Collisionless Plasmas in Astrophysics examines the unique properties of media without collisions in plasma physics. Experts in this field, the authors present the first book to concentrate on collisionless conditions in plasmas, whether close or not to thermal equilibrium. Filling a void in scientific literature, Collisionless Plasmas in Astrophysics explains the possibilities of modeling such plasmas, using a fluid or a kinetic framework. It also addresses common misconceptions that even professionals may possess, on phenomena such as "collisionless (Landau) damping". Abundant illustrations are given in both space physics and astrophysics.

An Introduction to Stellar Astrophysics

An Introduction to Stellar Astrophysics
A Book

by Francis LeBlanc

  • Publisher : John Wiley & Sons
  • Release : 2011-08-24
  • Pages : 352
  • ISBN : 1119964970
  • Language : En, Es, Fr & De
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An Introduction to Stellar Astrophysics aspires to provide the reader with an intermediate knowledge on stars whilst focusing mostly on the explanation of the functioning of stars by using basic physical concepts and observational results. The book is divided into seven chapters, featuring both core and optional content: Basic concepts Stellar Formation Radiative Transfer in Stars Stellar Atmospheres Stellar Interiors Nucleosynthesis and Stellar Evolution and Chemically Peculiar Stars and Diffusion. Student-friendly features include: Detailed examples to help the reader better grasp the most important concepts A list of exercises is given at the end of each chapter and answers to a selection of these are presented. Brief recalls of the most important physical concepts needed to properly understand stars. A summary for each chapter Optional and advanced sections are included which may be skipped without interfering with the flow of the core content. This book is designed to cover the most important aspects of stellar astrophysics inside a one semester (or half-year) course and as such is relevant for advanced undergraduate students following a first course on stellar astrophysics, in physics or astronomy programs. It will also serve as a basic reference for a full-year course as well as for researchers working in related fields.

CP Violation in Particle, Nuclear, and Astrophysics

CP Violation in Particle, Nuclear, and Astrophysics
A Book

by Michael Beyer

  • Publisher : Springer
  • Release : 2008-01-11
  • Pages : 340
  • ISBN : 3540478957
  • Language : En, Es, Fr & De
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The exciting experiments of the BABAR and BELLE collaborations have now proven violation of CP symmetry in the neutral B system. This has renewed strong interest in the physics of CP violation. Novel experimental techniques and new highly intense neutron sources are now becoming available to further test the related time reversal symmetry. They will substantially lower the current limit on the neutron electric dipole moment and hence open up new tests of theoretical concepts beyond the Standard Model. These are strongly required to explain the decisive excess of matter versus antimatter in our Universe. There is a de?nite need to communicate these exciting developments to younger scientists, and therefore we organized a summer school in October 2000 on “CP Violation and Related Topics”, which was held in Prerow, a small Baltic Sea resort. These Lecture Notes were inspired by the vivid - terest of the participants, and I am grateful to the authors, who faced the unexpected and delivered all the material for an up-to-date introduction to this broad ?eld. It is a great pleasure for me to warmly thank the Co-organizers of the summer school, Henning Schr ̈oder, Thomas Mannel, Klaus R. Schubert and my colleague Roland Waldi. Also I would like to express my sincere thanks to the Volkswagen-Stiftung for their ?nancial support of this inspiring summer school.