Phys 675 - Introduction to Relativity, Gravitation and Cosmology
University of Maryland, College Park
Fall 2014, Prof. T. Jacobson

           Inflation on the Back of an Envelope - John Preskill

          Comments on the Starobinsky Model and its Descendants - A. Kehagias, A. M. Dizgah, A. Riotto

           TASI Lectures on Inflation - Daniel Baumann
          In an expanding universe, what doesn’t expand? - R. H. Price and J. D. Romano

 Size of a hydrogen atom in the expanding universe - W. B. Bonnor

A homogeneous universe of constant mass and increasing radius accounting for the radial velocity of extra-galactic nebulae -Note by Abb´e G. Lemaˆıtre 1927

          Historical Note on 1927 Lemaitre paper - J.P. Luminet

          The Beginning of the World from the Point of View of Quantum Theory - Lemaitre, 1931

          Historical Note on 1931 Lemaitre paper - J.P. Luminet

 pp. 167–227 in: Michel Janssen and Christoph Lehner (Eds.), The Cambridge Companion to Einstein. Cambridge: Cambridge University Press, 2014.

Diagrams explaining special relativity: simultaneity,   k-factor,  velocity, and spacetime Pythagoras theorem

Article on interpreting spacetime diagrams, and proving the spacetime Pythagoras theorem, by Dieter Brill and Ted Jacobson

Notes on special relativity and a bit about GR
[These notes were written by T. Jacobson for Phys 410 (classical mechanics). See Chapters 10 (SR) and 11 (GR).]
determinant = volume ratio

Non-affinely parametrized geodesic equation


          Gravitational lensing presentation

         Broad Iron Lines in Active Galactic Nuclei
         The Kerr Metric - review paper by Saul Teukolsky 

         Penrose-Carter diagrams - notes by Albert Roura

         Kerr orbits - Mathematica Notebook

         Gravitational Collapse: The Role of General Relativity - 1969 article by Penrose

         The Conceptual origins of Maxwell's equations and gauge theory - C N Yang in Physics Today, November 2014

          Early History of Gauge Theories and Kaluza-Klein Theories, with a Glance at Recent Developments - O'Raifertaigh and Straumann