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Author : J. H. Taylor
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.:/5 (12 download)
Download or read book Testing gravity with binary pulsars written by J. H. Taylor and published by . This book was released on 1993 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thibault Damour
Publisher :
ISBN 13 :
Total Pages : 21 pages
Book Rating : 4.:/5 (897 download)
Download or read book Gravitational-wave Versus Binary-pulsar Tests of Strong-field Gravity written by Thibault Damour and published by . This book was released on 1998 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Cosimo Bambi
Publisher : Springer Nature
ISBN 13 : 9819728711
Total Pages : 466 pages
Book Rating : 4.8/5 (197 download)
Download or read book Recent Progress on Gravity Tests written by Cosimo Bambi and published by Springer Nature. This book was released on with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Arun Kenath
Publisher : Springer Nature
ISBN 13 : 3031304632
Total Pages : 61 pages
Book Rating : 4.0/5 (313 download)
Download or read book Physics of Gravitational Waves written by Arun Kenath and published by Springer Nature. This book was released on 2023-05-01 with total page 61 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a concise introduction to the physics of gravitational waves. It is aimed at graduate-level students and PhD scholars. Ever since the discovery of gravitational waves in 2016, gravitational wave astronomy has been adding to our understanding of the universe. Gravitational waves have been detected in the past few years from several transient events such as merging stellar-mass black holes, binary neutron stars, etc. These waves have frequencies in a band ranging from a few hundred hertz to around a kilohertz to which LIGO type instruments are sensitive. LISA will be sensitive to much lower range of frequencies from SMBH mergers. Apart from these cataclysmic burst events, there are innumerable sources of radiation which are continuously emitting gravitational waves of all frequencies. These include a whole mass range of compact binary and isolated compact objects and close planetary stellar entities. This book discusses the gravitational wave background produced in typical frequency ranges from such sources emitting over a Hubble time and the fluctuations in the h values measured in the usual devices. Also discussed are the high-frequency thermal background gravitational radiation from hot stellar interiors and newly formed compact objects. The reader will also learn how gravitational waves provide a testing tool for various theories of gravity, i.e. general relativity and extended theories of gravity, and will be the definitive test for general relativity.
Author : Waleed El Hanafy
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783838369556
Total Pages : 224 pages
Book Rating : 4.3/5 (695 download)
Download or read book Relativistic Gravity and Compact Binary Observations written by Waleed El Hanafy and published by LAP Lambert Academic Publishing. This book was released on 2010-06 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since binary pulsars represent a natural laboratory for testing relativistic field theories, it was interesting to study the problem of two bodies, in a strong field regime. Hence, this book is not only a complete review of the work done on binary pulsars but also, it includes an important step towards a more general solution to the problem of the strong field of two bodies; which is still far beyond the reach of researchers. This is done by modifying Curzon solution to describe the field of binaries. A more general formula for red-shift and Shapiro time delay were derived including additional terms. Also, energy localization and the possibility of gravitational waves emission have been discussed. This book is a good reference for the relativists and astrophysicists. "The book presents a competent and reasonably complete summary of techniques developed for study of binary stars. It summarizes work that has been done on the relativistic two-body problem. The author traces the progressively more accurate models, and reviews what has been learned from detailed timing observations"..........Prof. J.H. Taylor (Nobel laureate in Physics 1993 for the discovery of the first binary pulsar)
Author : John Antoniadis
Publisher : Springer
ISBN 13 : 3319098977
Total Pages : 99 pages
Book Rating : 4.3/5 (19 download)
Download or read book Multi-Wavelength Studies of Pulsars and Their Companions written by John Antoniadis and published by Springer. This book was released on 2014-09-23 with total page 99 pages. Available in PDF, EPUB and Kindle. Book excerpt: The focus of his prize-winning thesis is on observations and modeling of binary millisecond pulsars. But in addition, John Antoniadis covers a wide range of observational measurements of binary compact stars systems and tests of General Relativity, like indirect measurements of gravitational wave emission and posing the most stringent constraints on Scalar-Tensor gravity theories. Among others, he presents a system that hosts the most massive neutron star known to date, which has important ramifications for strong-field gravity and nuclear physics. This impressive work was awarded the Otto-Hahn Medal of the Max-Planck Society and the Best PhD in Gravity, Particle and Atomic physics award by the German Physics Society (DPG).
Author : Huanchen Hu
Publisher : Eliva Press
ISBN 13 : 9789994987801
Total Pages : 0 pages
Book Rating : 4.9/5 (878 download)
Download or read book Gravity Tests with Pulsars written by Huanchen Hu and published by Eliva Press. This book was released on 2023-05-22 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: General relativity has so far passed all experimental tests, with some of the most stringent tests in strong fields coming from observations of pulsars - rotating neutron stars that form from the collapsed cores of massive stars during supernovae. Such compact objects contain the densest form of matter in the observable universe, and therefore produce a strong gravitational field in their vicinity. The excellent rotational stability of pulsars makes them powerful tools for studying a wide range of topics in fundamental physics. This dissertation investigates four aspects using the new generation of radio telescopes: (1) constraining the dense matter equation of state by measuring the moment of inertia of neutron stars, (2) testing higher-order gravitational light propagation effects in the Double Pulsar system using observations from the MeerKAT telescope, (3) prospects of testing scalar-tensor gravity using pulsar-white dwarf system and hypothetical pulsar-black hole systems, and (4) recent advances in the detection of nanohertz gravitational waves using pulsar timing arrays and efforts to improve it.
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Download or read book Teruel, la ciudad mudejar que guarda los cuerpos de los amantes, Isabel de Segura [y Diego de Marcilla] written by and published by . This book was released on 1958 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Thibault Damour
Publisher : Springer Science & Business Media
ISBN 13 : 3764385235
Total Pages : 144 pages
Book Rating : 4.7/5 (643 download)
Download or read book Gravitation and Experiment written by Thibault Damour and published by Springer Science & Business Media. This book was released on 2007-08-16 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a detailed, pedagogical introduction to general relativity. It includes a review of what may lie beyond and collects up-to-date essays on the experimental tests of this theory, including the precise timing of the double pulsar J0737-3039. Coverage also details the recent results of the Gravity Probe B mission.
Author : Clifford M. Will
Publisher : Cambridge University Press
ISBN 13 : 1108577490
Total Pages : 363 pages
Book Rating : 4.1/5 (85 download)
Download or read book Theory and Experiment in Gravitational Physics written by Clifford M. Will and published by Cambridge University Press. This book was released on 2018-09-27 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 2015 centenary of the publication of Einstein's general theory of relativity, and the first detection of gravitational waves have focused renewed attention on the question of whether Einstein was right. This review of experimental gravity provides a detailed survey of the intensive testing of Einstein's theory of gravity, including tests in the emerging strong-field dynamical regime. It discusses the theoretical frameworks needed to analyze gravitational theories and interpret experiments. Completely revised and updated, this new edition features coverage of new alternative theories of gravity, a unified treatment of gravitational radiation, and the implications of the latest binary pulsar observations. It spans the earliest tests involving the Solar System to the latest tests using gravitational waves detected from merging black holes and neutron stars. It is a comprehensive reference for researchers and graduate students working in general relativity, cosmology, particle physics and astrophysics.
Author : Clifford M. Will
Publisher : Cambridge University Press
ISBN 13 : 1107117445
Total Pages : 363 pages
Book Rating : 4.1/5 (71 download)
Download or read book Theory and Experiment in Gravitational Physics written by Clifford M. Will and published by Cambridge University Press. This book was released on 2018-09-27 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive review of the testing and research conducted on Einstein's theory of general relativity.
Author : Luciano Rezzolla
Publisher : Springer
ISBN 13 : 3319976168
Total Pages : 811 pages
Book Rating : 4.3/5 (199 download)
Download or read book The Physics and Astrophysics of Neutron Stars written by Luciano Rezzolla and published by Springer. This book was released on 2019-01-09 with total page 811 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes the recent progress in the physics and astrophysics of neutron stars and, most importantly, it identifies and develops effective strategies to explore, both theoretically and observationally, the many remaining open questions in the field. Because of its significance in the solution of many fundamental questions in nuclear physics, astrophysics and gravitational physics, the study of neutron stars has seen enormous progress over the last years and has been very successful in improving our understanding in these fascinating compact objects. The book addresses a wide spectrum of readers, from students to senior researchers. Thirteen chapters written by internationally renowned experts offer a thorough overview of the various facets of this interdisciplinary science, from neutron star formation in supernovae, pulsars, equations of state super dense matter, gravitational wave emission, to alternative theories of gravity. The book was initiated by the European Cooperation in Science and Technology (COST) Action MP1304 “Exploring fundamental physics with compact stars” (NewCompStar).
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309035791
Total Pages : 188 pages
Book Rating : 4.3/5 (9 download)
Download or read book Gravitation, Cosmology, and Cosmic-Ray Physics written by National Research Council and published by National Academies Press. This book was released on 1986-02-01 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christian Pfeifer
Publisher : Springer Nature
ISBN 13 : 3031315200
Total Pages : 557 pages
Book Rating : 4.0/5 (313 download)
Download or read book Modified and Quantum Gravity written by Christian Pfeifer and published by Springer Nature. This book was released on 2023-11-01 with total page 557 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses theoretical predictions and their comparison with experiments of extended and modified classical and quantum theories of gravity. The goal is to provide a readable access and broad overview over different approaches to the topic to graduate and PhD students as well as to young researchers. The book presents both, theoretical and experimental insights and is structured in three parts. The first addresses the theoretical models beyond special and general relativity such as string theory, Poincare gauge theory and teleparallelism as well as Finsler gravity. In turn, the second part is focused on the observational effects that these models generate, accounting for tests and comparisons which can be made on all possible scales: from the universe as a whole via binary systems, stars, black holes, satellite experiments, down to laboratory experiments at micrometer and smaller scales. The last part of this book is dedicated to quantum systems and gravity, showing tests of classical gravity with quantum systems, and coupling of quantum matter and gravity.
Author : P.K.F. Grieder
Publisher : Elsevier
ISBN 13 : 0080530052
Total Pages : 1117 pages
Book Rating : 4.0/5 (85 download)
Download or read book Cosmic Rays at Earth written by P.K.F. Grieder and published by Elsevier. This book was released on 2001-07-27 with total page 1117 pages. Available in PDF, EPUB and Kindle. Book excerpt: In 1912 Victor Franz Hess made the revolutionary discovery that ionizing radiation is incident upon the Earth from outer space. He showed with ground-based and balloon-borne detectors that the intensity of the radiation did not change significantly between day and night. Consequently, the sun could not be regarded as the sources of this radiation and the question of its origin remained unanswered. Today, almost one hundred years later the question of the origin of the cosmic radiation still remains a mystery.Hess' discovery has given an enormous impetus to large areas of science, in particular to physics, and has played a major role in the formation of our current understanding of universal evolution. For example, the development of new fields of research such as elementary particle physics, modern astrophysics and cosmology are direct consequences of this discovery. Over the years the field of cosmic ray research has evolved in various directions: Firstly, the field of particle physics that was initiated by the discovery of many so-called elementary particles in the cosmic radiation. There is a strong trend from the accelerator physics community to reenter the field of cosmic ray physics, now under the name of astroparticle physics. Secondly, an important branch of cosmic ray physics that has rapidly evolved in conjunction with space exploration concerns the low energy portion of the cosmic ray spectrum. Thirdly, the branch of research that is concerned with the origin, acceleration and propagation of the cosmic radiation represents a great challenge for astrophysics, astronomy and cosmology. Presently very popular fields of research have rapidly evolved, such as high-energy gamma ray and neutrino astronomy. In addition, high-energy neutrino astronomy may soon initiate as a likely spin-off neutrino tomography of the Earth and thus open a unique new branch of geophysical research of the interior of the Earth. Finally, of considerable interest are the biological and medical aspects of the cosmic radiation because of it ionizing character and the inevitable irradiation to which we are exposed. This book is a reference manual for researchers and students of cosmic ray physics and associated fields and phenomena. It is not intended to be a tutorial. However, the book contains an adequate amount of background materials that its content should be useful to a broad community of scientists and professionals. The present book contains chiefly a data collection in compact form that covers the cosmic radiation in the vicinity of the Earth, in the Earth's atmosphere, at sea level and underground. Included are predominantly experimental but also theoretical data. In addition the book contains related data, definitions and important relations. The aim of this book is to offer the reader in a single volume a readily available comprehensive set of data that will save him the need of frequent time consuming literature searches.
Author : C. Lämmerzahl
Publisher : Springer Science & Business Media
ISBN 13 : 3540409882
Total Pages : 507 pages
Book Rating : 4.5/5 (44 download)
Download or read book Gyros, Clocks, Interferometers...: Testing Relativistic Gravity in Space written by C. Lämmerzahl and published by Springer Science & Business Media. This book was released on 2007-09-04 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many new tests of gravity and, in particular, of Einstein's general relativity theory will be carried out in the near future: The Lense--Thirring effect and the equivalence principle will be tested in space; moreover, gravitational waves will be detected, and new atomic interferometers and clocks will be built for measurements in gravitational and inertial fields. New high-precision devices have made these experiments feasible. They will contribute to a better understanding of gravitational physics. Both experimental developments and the theoretical concepts are collected in this volume. Exhaustive reviews give an overall insight into the subject of experimental gravitation.
Author : Kuo Liu
Publisher :
ISBN 13 :
Total Pages : 227 pages
Book Rating : 4.:/5 (86 download)
Download or read book Exploring Pulsar-black Hole Binaries Using the Next Generation of Radio Telescopes written by Kuo Liu and published by . This book was released on 2012 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: Binary pulsars are well known for their usefulness in testing gravitational theories. Pulsar-black hole (PSR-BH) binary systems, once discovered, will be the 'next generation of celestial laboratories' being able to both probe BH properties and test gravity especially General Relativity's cosmic censorship conjecture and no-hair theorem. The achievement of these prized goals requires highly precise pulsar timing observations, which are more readily achieved with the next generation of radio telescopes such as the Square Kilometre Array (SKA) and the Five-hundred-metre Aperture Spherical Radio Telescope (FAST). The purpose of work carried out in this thesis is to investigate the limits on precision timing and to explorethe potential for tests of theories of gravity by PSR-BH binaries with the future telescopes. Millisecond pulsars (MSPs) are more stable timers compared with normal pulsars. While the precision of MSP timing with present hardware is mainly limited by radiometer noise, for the brightest few MSPs one can already notice effects from other aspects, which can be separated into three categories: intrinsic noise from the pulsar, variations of the interstellar medium (ISM) effects, and instrumental artefacts. The case study based on the brightest MSP, PSR J0437-4715, demonstrates that most instrument-associated uncertainties in pulse time-of-arrival (TOA) measurement can be corrected by state-of-the-art techniques. The influence on TOAs by the interstellar medium (ISM) is shown to be unimportant for the source, and can potentially be corrected by approaches which are being developed. The TOA uncertainties for most MSPs observed with the next generation of radio telescopes, will mainly be limited by pulse jitter and radiometer noise. Based on this result, it is predicted that for normal-brightness MSPs a TOA precision of between 80 and 230 ns can be achieved at 1.4 GHz with 10-minute integrations by the SKA. With the current sensitivity, a further investigation on pulse jitter has been performed, regarding both the shape and central phase variability of several MSPs. No significant shape changes within a few hours observing time have been detected based on 10 to 100 s integrations. For PSR J0437-4715 the jitter parameter is quantified as f_J = 0.067+-0.002, based on timing on short timescales. Potential instrumental effects on this measurement have also been demonstrated. Jitter noise is found to be independent of observing frequency and bandwidth around 1.4 GHz on frequency scales of
