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One appealing feature of string theory is that it provides a theory of quantum gravity. Gravity and Strings is a self-contained, pedagogical exposition of this theory, its foundations and its basic results. In Part I, the foundations are traced back to the very early special-relativistic field theories of gravity, showing how such theories lead to general relativity. Gauge theories of gravity are then discussed and used to introduce supergravity theories. In Part II, some of the most interesting solutions of general relativity and its generalizations are studied. The final Part presents and studies string theory from the effective action point of view, using the results found earlier in the book as background. This 2004 book will be useful as a reference book for graduate students and researchers, as well as a complementary textbook for courses on gravity, supergravity and string theory.

Quantum gravity --- String models --- Gravité quantique --- Modèles des cordes vibrantes (Physique nucléaire) --- Quantum gravity. --- String models. --- 531.5 --- 530.145 --- Models, String --- String theory --- Nuclear reactions --- Gravity, Quantum --- General relativity (Physics) --- Gravitation --- Quantum theory --- Gravity. Gravitation. Pendulums. Ballistics --- 530.145 Quantum theory --- 531.5 Gravity. Gravitation. Pendulums. Ballistics --- Gravité quantique --- Modèles des cordes vibrantes (Physique nucléaire)

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Zwaartekracht, je hebt er dagelijks mee te maken en je kunt zelfs niet zonder. Toch sta je er waarschijnlijk niet zo vaak bij stil dat bijvoorbeeld voetballen alleen door die kracht mogelijk is. Gravitatie houdt niet alleen op aarde alles netjes op zijn plaats, maar zorgt er ook voor dat onze planeet rond de zon draait en een atmosfeer heeft die leven mogelijk maakt.

Didactics of secundary education --- gravimetric analysis --- Didactics of mathematics --- wiskunde --- zwaartekracht --- gravimetrie --- 485.3 --- 51 <075> --- 531.5 --- Fysica --- Zwaartekracht --- 510 --- 103500.jpg --- 531.5 Gravity. Gravitation. Pendulums. Ballistics --- Gravity. Gravitation. Pendulums. Ballistics --- 51 <075> Mathematics--Schoolboeken --- Mathematics--Schoolboeken --- didactiek secundair onderwijs - wiskunde --- Wiskunde --- Secundair onderwijs --- Wetten van Newton --- Relativiteitstheorie --- Wet van Newton

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Cosmology --- General relativity (Physics) --- Gravitation --- Cosmologie --- Relativité générale (Physique) --- 530.12 --- 531.5 --- 524.8 --- 521 --- Astronomy --- Deism --- Metaphysics --- Relativity principle --- Gravity. Gravitation. Pendulums. Ballistics --- The Universe. Metagalaxy. Cosmology --- Theoretical astronomy. Celestial mechanics --- 521 Theoretical astronomy. Celestial mechanics --- 524.8 The Universe. Metagalaxy. Cosmology --- 531.5 Gravity. Gravitation. Pendulums. Ballistics --- 530.12 Relativity principle --- Relativité générale (Physique) --- Relativity (Physics) --- Relativité (physique) --- Study and teaching (Higher) --- Étude et enseignement (supérieur)

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Theory of relativity. Unified field theory --- Cosmology --- Gravitation --- 521 --- 524.8 --- 530.12 --- 531.5 --- Field theory (Physics) --- Matter --- Physics --- Antigravity --- Centrifugal force --- Relativity (Physics) --- Astronomy --- Deism --- Metaphysics --- 524.8 The Universe. Metagalaxy. Cosmology --- The Universe. Metagalaxy. Cosmology --- 531.5 Gravity. Gravitation. Pendulums. Ballistics --- Gravity. Gravitation. Pendulums. Ballistics --- 530.12 Relativity principle --- Relativity principle --- 521 Theoretical astronomy. Celestial mechanics --- Theoretical astronomy. Celestial mechanics --- Properties --- Cosmology. --- Gravitation.

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Since Einstein first described them nearly a century ago, gravitational waves have been the subject of more sustained controversy than perhaps any other phenomenon in physics. These as yet undetected fluctuations in the shape of space-time were first predicted by Einstein's general theory of relativity, but only now, at the dawn of the twenty-first century, are we on the brink of finally observing them. Daniel Kennefick's landmark book takes readers through the theoretical controversies and thorny debates that raged around the subject of gravitational waves after the publication of Einstein's theory. The previously untold story of how we arrived at a settled theory of gravitational waves includes a stellar cast from the front ranks of twentieth-century physics, including Richard Feynman, Hermann Bondi, John Wheeler, Kip Thorne, and Einstein himself, who on two occasions avowed that gravitational waves do not exist, changing his mind both times. The book derives its title from a famously skeptical comment made by Arthur Stanley Eddington in 1922--namely, that "gravitational waves propagate at the speed of thought." Kennefick uses the title metaphorically to contrast the individual brilliance of each of the physicists grappling with gravitational-wave theory against the frustratingly slow progression of the field as a whole. Accessibly written and impeccably researched, this book sheds new light on the trials and conflicts that have led to the extraordinary position in which we find ourselves today--poised to bring the story of gravitational waves full circle by directly confirming their existence for the very first time.

Space and time. --- General relativity (Physics) --- Einstein field equations. --- Gravitational waves. --- Space of more than three dimensions --- Space-time --- Space-time continuum --- Space-times --- Spacetime --- Time and space --- Fourth dimension --- Infinite --- Metaphysics --- Philosophy --- Space sciences --- Time --- Beginning --- Hyperspace --- Relativity (Physics) --- Relativistic theory of gravitation --- Relativity theory, General --- Gravitation --- Physics --- Einstein's field equations --- Einstein's gravitational field equations --- Einstein's law of gravitation --- Field equations, Einstein --- Differential equations --- Field theory (Physics) --- Gravitational fields --- Gravitational radiation --- Gravity waves (Astrophysics) --- Radiation --- Waves --- Einstein field equations --- Gravitational waves --- Space and time --- 531.5 --- 531.5 Gravity. Gravitation. Pendulums. Ballistics --- Gravity. Gravitation. Pendulums. Ballistics