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Einstein's general theory of relativity is introduced in this advanced undergraduate and beginning graduate level textbook. Topics include special relativity, in the formalism of Minkowski's four-dimensional space-time, the principle of equivalence, Riemannian geometry and tensor analysis, Einstein field equation, as well as many modern cosmological subjects, from primordial inflation and cosmic microwave anisotropy to the dark energy that propels an accelerating universe.
The author presents the subject with an emphasis on physical examples and simple applications without the full tensor apparatus. The reader first learns how to describe curved spacetime. At this mathematically more accessible level, the reader can already study the many interesting phenomena such as gravitational lensing, precession of Mercury's perihelion, black holes, and cosmology. The full tensor formulation is presented later, when the Einstein equation is solved for a few symmetric cases.
Many modern topics in cosmology are discussed in this book: from inflation, cosmic microwave anisotropy to the "dark energy" that propels an accelerating universe. Mathematical accessibility, together with the various pedagogical devices (e.g., worked-out solutions of chapter-end problems), make it practical for interested readers to use the book to study general relativity and cosmology on their own.
I: PRELIMINARIES; 1. Introduction and Overview; 2. Special relativity: the basics; II: RELATIVITY - METRIC DESCRIPTION OF SPACETIME; 3. Special relativity: the geometric formulation; 4. The principle of equivalence; 5. Metric description of a curved space; 6. GR as a geometric theory of gravity - I; 7. Spherically symmetric spacetime - GR tests; 8. Black holes; III: COSMOLOGY; 9. The homogeneous and isotropic universe; 10. The expanding universe and thermal relics; 11. Inflation and the accelerating universe; IV: RELATIVITY - FULL TENSOR FORMULATION; 12. Tensors in special relativity; 13. Tensors in general relativity; 14. GR as a geometric theory of gravity - II; 15. Linearized theory and gravitational waves