'Friedmann equation' diaporamas de présentation

Cosmic Holography

Cosmic Holography. Bin Wang( ? ? ) Department of Physics, Fudan University. Entropy of our universe. 2.7K cosmic microwave background (CMB) The universe started in a low-entropy state and has not yet reached its maximal attainable entropy. Questions:

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Understanding the Universe Summary Lecture

Volker Beckmann Joint Center for Astrophysics, University of Maryland, Baltimore County & NASA Goddard Space Flight Center, Astrophysics Science Division UMBC, December 12, 2006. Understanding the Universe Summary Lecture. Overview. What did we learn? Dark night sky

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LARGE DISTANCE MODIFICATION OF GRAVITY Gia Dvali New York University

LARGE DISTANCE MODIFICATION OF GRAVITY Gia Dvali New York University. Modified gravity versus dark energy. Dvali, Gabadadze, Porrati; Dvali, Gabadadze;. Deffayet, Dvali, Gabadadze;. Dvali, Gruzinov and Zaldarriaga; Dvali, Turner;. Modified Gravity and Cosmological Constant.

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Thermodynamics of Apparent Horizon & Dynamics of FRW Spacetime

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Lecture 1: Preliminaries and Cosmology in a Homogeneous Universe

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Modified Entropic Force. ??? ??????????. I. Introduction II. Modified Newtonian Gravity III. Modified Friedmann equation IV. Conclusion and discussion. Classical Black Holes. ????? , ????? , ????. Quantum Black holes. ??????? , ????? , ????.

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Inflationary Attractor

Inflationary Attractor. Zong-Kuan Guo (advisor: Yuan-Zhong Zhang) Institute of Theoretical Physics, Chinese Academy of Sciences, P.O. Box 2735, Beijing 100080, P.R.China. Background. Standard Cosmology Inflationary Cosmology Initial Conditions for inflation. Outline.

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Plot distance vs. velocity. We find: Velocity proportional to distance

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Jo van den Brand, Chris Van Den Broeck , Tjonnie Li Nikhef : April 23, 2010

Inflation. Jo van den Brand, Chris Van Den Broeck , Tjonnie Li Nikhef : April 23, 2010. Limitations of standard cosmology. Horizon problem, flatness problem, missing exotic particles.

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Cosmology Without the Fluid Approximation

Cosmology Without the Fluid Approximation. Timothy Clifton (University of Oxford, UK). Work performed in collaboration with Pedro Ferreira. Small Scale Inhomogeneity. Its convenient to treat many discrete sources as a continuous fluid. .

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Important Points:

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