Bulletin of the American Physical Society
2006 APS April Meeting
Saturday–Tuesday, April 22–25, 2006; Dallas, TX
Session I5: Theories of Gravity, Dark Energy, and Cosmology |
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Sponsoring Units: GGR DPF Chair: Joseph Lykken, Fermilab Room: Hyatt Regency Dallas Pegasus B |
Sunday, April 23, 2006 10:30AM - 11:06AM |
I5.00001: String theory and cosmology Invited Speaker: There is increasing evidence for a period of accelerated expansion or inflation in the very early universe. Most inflationary models are sensitive to ultra-violet properties of the underlying fundamental theory, including quantum gravity effects, so it makes sense to explore inflationary model building in the context of a UV complete framework. I discuss recent ideas about inflation in string theory, and describe some striking consequences of the simplest models. I also outline how, with simple and conservative assumptions, one can argue that there is a ``landscape'' of string vacua which encompasses diverse possibilities for low-energy physics. [Preview Abstract] |
Sunday, April 23, 2006 11:06AM - 11:42AM |
I5.00002: Implications of the Accelerating Universe for Fundamental Physics Invited Speaker: |
Sunday, April 23, 2006 11:42AM - 12:18PM |
I5.00003: Differentiating between Modified Gravity and Dark Energy Invited Speaker: I'll discuss current ideas on how to distinguish whether the acceleration of the universe is caused by dark energy or modifications of general relativity. [Preview Abstract] |
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