Bulletin of the American Physical Society
2005 APS April Meeting
Saturday–Tuesday, April 16–19, 2005; Tampa, FL
Session F1: Einstein's Legacy: What We Know and What We Don't Know |
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Sponsoring Units: GGR Chair: Robert Wald, University of Chicago Room: Marriott Tampa Waterside Grand Salon E |
Saturday, April 16, 2005 7:30PM - 8:06PM |
F1.00001: The origin and destiny of our universe Invited Speaker: The discoveries of Albert Einstein rank among humanity's greatest achievements. Although his theory of gravity is the framework for understanding the origin and destiny of our Universe, it does not really tell us how or why the universe began, or how or if it will end. Recent developments and discoveries have shed new light on these issues. I will describe how observations and theory can shed light on what powered the big bang and the mysterious dark energy that is pulling the Universe apart. Perhaps we are close to completing Einstein's legacy and unraveling the cosmic mysteries of our origin and destiny. [Preview Abstract] |
Saturday, April 16, 2005 8:06PM - 8:42PM |
F1.00002: Quantum Gravity: Life on the Frontier Invited Speaker: |
Saturday, April 16, 2005 8:42PM - 9:18PM |
F1.00003: The Double Pulsar -- Unique tests of Einstein's predictions Invited Speaker: The first ever double pulsar, discovered by our team in 2003, consists of two pulsars, one with a period of only 22 ms and the other with a period of 2.7 s. This binary system with an orbital period of only 2.4 hr is the most relativistic system ever discovered and provides a truly unique laboratory for relativistic gravitational physics, putting the predictions of Einstein's theory of general relativity (GR) to the test. The possibility to measure two clocks orbiting each other in a strong gravitational field allows tests of GR and other theories of gravity that have not been possible before. Indeed, two years after the discovery, the Double Pulsar already provides us with the most stringent test ever performed in the strong-field regime. This talk will report on the achieved tests, will focus on the most recent results and looks ahead into the future and the prospects provided by the system. [Preview Abstract] |
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