Curved spacetimeGravityEinsteinGravitationEquationsDeveloped his theory of specialPredictsCosmologyFYTN08Tests of generalEinstein's TheoryBlack holesMathematicalLinguistic relativityPhysics in generalCurvatureNeutron starsSingularityCosmologicalTheoretical PhysicsPhenomenaSpacetimesGeometryQuantum mechanicsPhysicistsSpecialRelativisticConjectureMetricDescribeSingularitiesTheoriesBasicsContextAspectsEventuallyDetectionModernMathematics
Curved spacetime1
- In the curved spacetime of general relativity, free-falling objects subject to gravity alone move along geodesics - the equivalent of straight lines in curved geometry. (esa.int)
Gravity22
- General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics. (wikipedia.org)
- General relativity generalises special relativity and refines Newton's law of universal gravitation, providing a unified description of gravity as a geometric property of space and time or four-dimensional spacetime. (wikipedia.org)
- Newton's law of universal gravitation, which describes classical gravity, can be seen as a prediction of general relativity for the almost flat spacetime geometry around stationary mass distributions. (wikipedia.org)
- Reconciliation of general relativity with the laws of quantum physics remains a problem, however, as there is a lack of a self-consistent theory of quantum gravity. (wikipedia.org)
- A version of non-Euclidean geometry, called Riemannian geometry, enabled Einstein to develop general relativity by providing the key mathematical framework on which he fit his physical ideas of gravity. (wikipedia.org)
- According to Einstein's theory of general relativity gravity affects light as well as matter. (iac.es)
- A revolutionary approach at the time, general relativity remains to date the best physical theory to describe gravity, particularly on cosmic scales. (esa.int)
- Prior to general relativity, the leading theory of gravity was Isaac Newton's law of universal gravitation, which unified the description of moving massive bodies both on Earth and in the Solar System. (esa.int)
- In 1907, Einstein started working towards a theory that would encompass gravity, too, but he could not find a way to address it in the 'flat' spacetime of special relativity. (esa.int)
- General relativity successfully explained the additional shift in the precession of Mercury's perihelion that could not be justified with Newton's gravity. (esa.int)
- Therefore, the understanding of gravity beyond general relativity seems to be more pertinent than ever. (europa.eu)
- and the study of effects within the framework of general relativity which lie at the limit of its validity as a gravity theory. (europa.eu)
- Einstein's theory of gravity-general relativity-has been very successful for more than a century. (phys.org)
- General relativity underpins our current understanding of gravity: everything from the estimation of the age of the stars in the universe, to the GPS signals we rely on to help us navigate, is based on Einstein's equations. (nanowerk.com)
- In November 1915, Albert Einstein presented his theory of general relativity to the Prussian Academy of Science, positing that gravity is a geometric property of space-time. (jstor.org)
- The significance of gravity and relativity theories as well as the tremendous merits of genius Newton, Einstein and other distinguishable classics is undeniable in today's physics. (scirp.org)
- Then, General Relativity and STVG also differ at the strong gravity regime. (databasefootball.com)
- The gravitational aether theory is a modification of General Relativity that decouples vacuum energy from gravity, and thus can potentially address the cosmological constant problem. (uwaterloo.ca)
- More information about the nature of gravity in general relativity can be found in the spotlight text Gravity: From weightlessness to curvature . (einstein-online.info)
- Our entire understanding of gravity is derived from general relativity. (inverse.com)
- They're anomalies - inexplicable and aggravating - yet general relativity predicts they exist at the center of black holes, where gravity is strong enough to suck all matter and light. (inverse.com)
- This wouldn't have happened if I didn't take the course general relativity (Einstein's physics of gravity) in Lund and got the best grade! (lu.se)
Einstein19
- After numerous detours and false starts, his work culminated in the presentation to the Prussian Academy of Science in November 1915 of what are now known as the Einstein field equations, which form the core of Einstein's general theory of relativity. (wikipedia.org)
- November 2015 marked a notable anniversary in the history of physics: one hundred years before, Albert Einstein presented his general theory of relativity, in the form of four papers, to the Prussian Academy of Sciences in Berlin on 4, 11, 18 and 25 November 1915. (esa.int)
- General relativity came to life in 1915, when Albert Einstein formulated his field equations. (intlpress.com)
- Mathematical general relativity investigates spacetimes, which are manifolds equipped with a Lorentzian metric obeying the related Einstein-matter systems of nonlinear partial differential equations. (intlpress.com)
- 1905 In his annus mirabilis, Einstein publishes papers on the special theory of relativity, on the photoelectric effect and on Brownian motion. (mpg.de)
- 1915 Einstein publishes the general theory of relativity. (mpg.de)
- Noting the preservation of analyticity for Ricci and Einstein tensors, special new theorems are formulated for General Relativity representing spacetime field via superpositions of flexible finite "solitonic atoms" resembling quanta. (scirp.org)
- Einstein general theory of relativity (GTR) accounted well for the precession of the perihelion of planets and binary pulsars. (scirp.org)
- Einstein produced a number of papers between the one that presented the theory of "special relativity" in 1905 and his presentation of "general relativity" in 1915, so many of his ideas were in circulation long before his historic lecture at the Prussian Academy of Science. (jstor.org)
- Einstein presents his views on the special and general theory of relativity and the universe as a whole. (wonderbk.com)
- Einstein Online is a web portal with comprehensible information on Einstein's theories of relativity and their most exciting applications from the smallest particles to cosmology. (einstein-online.info)
- An introduction to the basic ideas of general relativity is provided by the section General relativity of Elementary Einstein . (einstein-online.info)
- For information about the concepts and applications of this theory, we recommend the chapter general relativity of our introductory section Elementary Einstein . (einstein-online.info)
- Basic information on this key phenomenon of Einstein's general theory of relativity can be found in the chapter Black holes & Co. of Elementary Einstein . (einstein-online.info)
- 4a) Einstein discovered general relativity. (lu.se)
- 4b) Einstein did not discover general relativity. (lu.se)
- 6) Einstein never discovered general relativity. (lu.se)
- 9b) Did Einstein discover general relativity? (lu.se)
- Einstein Online presents Einstein's theories of relativity as well as information on relativity physics in general and the biography of Einstein. (lu.se)
Gravitation1
- Some predictions of general relativity, however, are beyond Newton's law of universal gravitation in classical physics. (wikipedia.org)
Equations9
- Through geometric analysis and advanced theory of nonlinear partial differential equations, long-standing problems have been solved lately that had remained locked since the beginnings of this beautiful theory of general relativity. (intlpress.com)
- General relativity is a set of mathematical equations. (motherjones.com)
- The notion of a singularity in general relativity refers to a region of space-time where the equations of physics break down and lose their predictive meaning as seen by some potential observer. (wikibooks.org)
- They are the mathematical underpinnings of his General Theory of Relativity and are called his field equations. (athabascau.ca)
- Should this type of black hole form, it would lead to the appearance of a 'naked singularity', which would cause the equations behind general relativity to break down. (nanowerk.com)
- This contribution introduces the reader to the reformulation of Einstein's field equations of General Relativity as a constrained evolutionary system of Hamiltonian type and discusses some of its uses, together with some technical and conceptual aspects. (arxiv.org)
- We find that the maximum neutron-star mass predicted by the aether theory is 12%-16% less than the maximum mass predicted by general relativity assuming these two equations of state. (uwaterloo.ca)
- A black hole like this leads to what physicists call a "naked singularity," where the equations that support general relativity - a foundational block of modern physics - stop making sense. (inverse.com)
- Considering the Papapetrou and post-Newtonian systems together, our most important general conclusion is that we find no chaos in any relativistic binary system for orbits that clearly satisfy the approximations required for the equations of motion to be physically valid. (caltech.edu)
Developed his theory of special1
- In 1905, he had developed his theory of special relativity, showing that space and time are not independent but intimately intertwined in the four-dimensional continuum of spacetime. (esa.int)
Predicts3
- General relativity predicts that singularities exist at the centre of black holes, and that they are surrounded by an event horizon - the 'point of no return', where the gravitational pull becomes so strong that escape is impossible, meaning that they cannot be observed from the outside. (nanowerk.com)
- Einstein's general relativity predicts that no matter what a black hole consumes, its external properties depend only on its mass, rotation and electric charge. (simonsfoundation.org)
- Published by John Moffat in 2005, the weak field limit of this theory predicts an enhanced gravitational attraction on the boundaries of galaxies, where phenomena related to dark matter use to happen and agrees with General Relativity inward. (databasefootball.com)
Cosmology2
- The time-dependent solutions of general relativity enable us to talk about the history of the universe and have provided the modern framework for cosmology, thus leading to the discovery of the Big Bang and cosmic microwave background radiation. (wikipedia.org)
- My main research interest is in fundamental physics mainly theoretical particle physics but also nuclear physics, general relativity and cosmology. (lu.se)
FYTN081
- My main teaching at the undergraduate level is General Relativity (FYTN08) . (lu.se)
Tests of general3
- So far, all tests of general relativity have been shown to be in agreement with the theory. (wikipedia.org)
- In this talk, I will discuss the prospect of performing a new tests of General Relativity with Event Horizon Telescope observations of Sgr A* that are free of the complexities related to the accretion flow. (berkeley.edu)
- Chaos will therefore not affect the ability of space-based gravitational-wave detectors (such as LISA, the Laser Interferometer Space Antenna) to perform precision tests of general relativity using extreme mass-ratio inspirals. (caltech.edu)
Einstein's Theory6
- This accident provides a unique and fortunate opportunity for science, since it allows to perform a test of the gravitational redshift as predicted by Einstein's theory of General Relativity. (ptb.de)
- Einstein's theory itself does not state how many dimensions there are in the universe, so theoretical physicists have been studying general relativity in higher dimensions to see if cosmic censorship still holds. (nanowerk.com)
- Visualization of Einstein's Theory of General Relativity. (jstor.org)
- This is the first time that astronomers have directly observed light from behind a black hole, and it also matches Einstein's theory of general relativity, yet again confirming his predictions. (techspot.com)
- Firmly grounded in Einstein's theory of general relativity , they describe a universe that began in a very hot initial state and has expanded (and cooled down) ever since. (einstein-online.info)
- The aim of the course is to give the student an introduction to Einstein's theory of general relativity. (lu.se)
Black holes6
- Today, we cannot imagine modern astrophysics without the general theory of relativity: no matter if it's black holes, quasars, or gravitational lenses - it plays an important role in all these fields. (mpg.de)
- They are soon associated with black holes and are thus the first celestial bodies that can only be described with the help of general relativity. (mpg.de)
- After reminder of the basics of General Relativity (GR)and Riemannian geometry, we initially focus on black-holes. (ens.fr)
- Close to black holes or other compact objects like neutron stars, the gravitational field is very strong and Moffat's mechanism to retrieve General Relativity breaks. (databasefootball.com)
- Selected aspects of the physics of black holes and neutron stars are described in the category Black holes & Co. of our Spotlights on relativity . (einstein-online.info)
- This thesis investigates the dynamics of binary systems composed of spinning compact objects (such as white dwarfs, neutron stars, and black holes) in the context of general relativity. (caltech.edu)
Mathematical1
- This is the mathematical code which encapsulates in a snapshot the entire theory of general relativity. (athabascau.ca)
Linguistic relativity2
- Color categories are not universal: replications and new evidence in favor of linguistic relativity. (bvsalud.org)
- Metalinguistic relativity: Does one's ontology determine one's view on linguistic relativity? (lu.se)
Physics in general2
- The fruitful interactions of mathematics and physics in general relativity have produced breakthroughs in all the related research fields. (intlpress.com)
- It demands some detailed examination of a long passed way that has brought to the formation of current ideology, methodology and to a certain stalemate in problematic sections of physics in general. (scirp.org)
Curvature2
- In general relativity, spacetime is not 'flat' but is curved by the presence of massive bodies and, as these move in spacetime, they continually change its curvature. (esa.int)
- GR adds additional effects on top of the effects due to special relativity due to the curvature of space-time which only become significant when you analyze a sufficiently large region of space-time. (physicsforums.com)
Neutron stars3
- Such physical systems are key to compare both theories, and our work focuses on them: we found, for instance, that the proposed vector field leads to bigger and heavier neutron stars than General Relativity . (databasefootball.com)
- After translating this work to gravitational wave detectors, they will offer the unprecedented precision needed to test the fundamental limits of general relativity and probe the interiors of neutron stars. (scitechdaily.com)
- Gravitational wave scientists from The University of Western Australia (UWA) have led the development of a new laser mode sensor with unprecedented precision that will be used to probe the interiors of neutron stars and test the fundamental limits of general relativity. (scitechdaily.com)
Singularity1
- General Relativity/What is a singularity? (wikibooks.org)
Cosmological5
- In addition, general relativity has provided the base of cosmological models of an expanding universe. (wikipedia.org)
- This can be explained in the context of general relativity only by reintroducing a modified cosmological constant or dark energy. (mpg.de)
- But also physically, General Relativity fails to explain galaxy rotation curves, galactic bending of light, and cosmological data. (databasefootball.com)
- Cosmological Constant A vs. Massive Gravitons: A Case Study in General Relativity Exceptionalism vs. Particle Physics Egalitarianism. (hoepli.it)
- This is motivated by a range of apparently serious theoretical issues, involving such questions as the cosmological constant problem, the particle nature of dark matter, the validity of general relativity on large scales, the existence of anomalies in the CMB and on small scales, and the predictivity and testability of the inflationary paradigm. (lu.se)
Theoretical Physics1
- As long as singularities stay hidden behind an event horizon, they do not cause trouble and general relativity holds - the 'cosmic censorship conjecture' says that this is always the case," said study co-author Markus Kunesch, a PhD student at Cambridge's Department of Applied Mathematics and Theoretical Physics (DAMTP). (nanowerk.com)
Phenomena1
- General Relativity is, currently, the best theory to explain gravitational phenomena. (databasefootball.com)
Spacetimes1
- Malament-Hogarth spacetimes are the sort of models within general relativity that seem to allow for the possibility of supertasks. (pitt.edu)
Geometry5
- There's nothing special about the sphere in particular, I am using it as a specific example of the more general notion of a curved 2 dimensional geometry). (physicsforums.com)
- Euclidean plane geometry is analogous to the Minkowskii geometry of flat space-time, the geometry of the sphere is analogous to the geometry of General Relativity. (physicsforums.com)
- At every point in the curved geometry of General Relativity, we have a tangent space that's perfectly flat. (physicsforums.com)
- The geometry of this flat tangent space is described by special relativity. (physicsforums.com)
- Theory of Special Relativity and flat space-time: The student understands the concept of space-time and the geometry of space-time and can handle the flat space-time of special relativity. (lu.se)
Quantum mechanics3
- 1930 The Belgian physicist Leon Rosenfeld (1904-1974) attempts to reconcile quantum mechanics, which was developed between 1925 and 1927, with general relativity - a project that is still ongoing today. (mpg.de)
- 1974 String theory, originally developed to explain nuclear forces, is proposed as a possible unifying theory of general relativity and quantum mechanics. (mpg.de)
- Moreover, a new generation of physicists is combining general relativity with quantum mechanics and string theory. (jstor.org)
Physicists2
- The new theory of relativity…is today accepted by many of the keenest minds among the physicists of the world, some going so far as to call it the greatest advance in physical theory since the days of Newton. (jstor.org)
- Curtis was especially impressed by how readily relativity was embraced by the most esteemed physicists of the day. (jstor.org)
Special3
- 1955 On the occasion of the 50th anniversary of the special theory of relativity, a conference is held in Bern which gathers together a community of relativists for the first time. (mpg.de)
- His iconic discovery of mass-energy equivalence, e=mc2, had been published ten years earlier as part of a theory of "special relativity. (jstor.org)
- a generalization of his special theory of relativity . (einstein-online.info)
Relativistic2
- In the new study, the researchers conducted high-resolution plasma physics simulations with a general-relativistic model of a black hole's magnetic field. (simonsfoundation.org)
- The classical theory is distinguishable from General Relativity only in the presence of relativistic pressure (or vorticity). (uwaterloo.ca)
Conjecture2
- This finding backs up the so-called 'no-hair conjecture' predicted by Einstein's general relativity. (simonsfoundation.org)
- The no-hair conjecture is a cornerstone of general relativity," says study co-author Bart Ripperda, a research fellow at the CCA and a postdoctoral fellow at Princeton. (simonsfoundation.org)
Metric1
- In a curved geoemtry, we need to introduce metric coefficients, which are in general a quadratic form. (physicsforums.com)
Describe1
- Experimental tests: The student can describe the most important experiments to test general relativity. (lu.se)
Singularities3
- In the 100 years since it was published, general relativity has passed every test that has been thrown at it, but one of its limitations is the existence of singularities. (nanowerk.com)
- If naked singularities exist, general relativity breaks down," said co-author Saran Tunyasuvunakool, also a PhD student from DAMTP. (nanowerk.com)
- If naked singularities exist, general relativity breaks down," study coauthor Saran Tunyasuvunakool said in a news release . (inverse.com)
Theories3
- Despite the introduction of a number of alternative theories, general relativity continues to be the simplest theory consistent with experimental data. (wikipedia.org)
- Widely acknowledged as a theory of extraordinary beauty, general relativity has often been described as the most beautiful of all existing physical theories. (wikipedia.org)
- An attempt to epistemological completion of formal-math theories of relativity is presented. (scirp.org)
Basics1
- Alternatively, if you want to find out more about the basics of general relativity first, check out the category General relativity of our Spotlights on relativity . (einstein-online.info)
Context1
- The Renaissance of General Relativity in Context is ideal for historians, philosophers, and sociologists of science. (hoepli.it)
Aspects3
- This volume includes 14 new articles presenting aspects of the most important general relativity research of the past 100 years. (intlpress.com)
- Selected aspects of gravitational wave physics are described in the category Gravitational waves of our Spotlights on relativity . (einstein-online.info)
- Further information about many different aspects of general relativity and its applications can be found in our section Spotlights on relativity . (einstein-online.info)
Eventually1
- And if you combine that with a few other concepts-like the idea that the speed of light is always constant-you'll eventually end up with the theory of gravitational attraction that's called general relativity. (motherjones.com)
Detection1
- 1960 The American physicist Joseph Weber (1919-2000) reports the detection of gravitational waves, as predicted by the general theory of relativity. (mpg.de)
Modern3
- Nanowerk News ) Researchers have shown how a bizarrely shaped black hole could cause Einstein's general theory of relativity, a foundation of modern physics, to break down. (nanowerk.com)
- Einstein's groundbreaking theory of general relativity has remained an essential hallmark of modern physics. (jstor.org)
- This contributed volume explores the renaissance of general relativity after World War II, when it transformed from a marginal theory into a cornerstone of modern physics. (hoepli.it)
Mathematics1
- The prerequisites required for admission to the course are: English B and general entry requirements as well as knowledge equivalent to 90 credits in physics and 30 credits in mathematics. (lu.se)