Bulletin of the American Physical Society
2008 APS April Meeting and HEDP/HEDLA Meeting
Volume 53, Number 5
Friday–Tuesday, April 11–15, 2008; St. Louis, Missouri
Session T5: Dark Energy |
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Sponsoring Units: DAP DPF Chair: Michael Turner, University of Chicago Room: Hyatt Regency St. Louis Riverfront (formerly Adam's Mark Hotel), Promenade C |
Monday, April 14, 2008 3:30PM - 4:06PM |
T5.00001: Supernovae as Probes of Dark Energy Invited Speaker: |
Monday, April 14, 2008 4:06PM - 4:42PM |
T5.00002: Cosmological tests of modified gravity vs. dark energy Invited Speaker: Modifications of general relativity provide an alternative explanation to dark energy for the observed acceleration of the universe. We examine the relationships between perturbations in the metric potentials, density and velocity fields, and discuss strategies for measuring them using gravitational lensing and other probes of large-scale structure. We show how a broad class of gravity theories can be tested by combining these probes. The possible clustering of dark energy can mimic features of modified gravity theories. We consider the question: how conclusively can signatures of modified gravity be established in upcoming observational tests. [Preview Abstract] |
Monday, April 14, 2008 4:42PM - 5:18PM |
T5.00003: Large Scale Structure and Dark Energy Invited Speaker: |
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