Bulletin of the American Physical Society
APS April Meeting 2014
Volume 59, Number 5
Saturday–Tuesday, April 5–8, 2014; Savannah, Georgia
Session H4: Invited Session: Early Universe |
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Sponsoring Units: DAP DPF Chair: Lloyd Knox, University of California, Davis Room: Chatham Ballroom C |
Sunday, April 6, 2014 8:30AM - 9:06AM |
H4.00001: Reaching the Planck Scale with CMB Polarization Invited Speaker: Daniel Green The over the next decade, a number of groups will provide increasingly precise maps of the polarization of the cosmic microwave background (CMB). These maps will offer a new window into the initial conditions of our universe, most significantly through their sensitivity to primordial gravitational waves. I will review the implications of these measurements to the theory of inflation (and its alternatives). I will emphasize the unique capability of CMB polarization to distinguish qualitatively different models of physics at the Planck scale. [Preview Abstract] |
Sunday, April 6, 2014 9:06AM - 9:42AM |
H4.00002: Primordial Non-Gaussianity and High Energy Physics Invited Speaker: Marilena Loverde A central goal of physical cosmology is to determine the mechanism of cosmic inflation, a hypothetical period $\sim 10^{-35}s$ after the big bang during which all of the structure of the universe was generated by quantum fluctuations. The statistics of primordial structure in the universe, in particular measurements of non-Gaussian statistics, provide key information about the high energy physics of inflation. I will review how non-Gaussianity can inform inflationary models, how cosmological datasets constrain primordial non-Gaussianity, and what to look forward to in the post-Planck era. [Preview Abstract] |
Sunday, April 6, 2014 9:42AM - 10:18AM |
H4.00003: Leptogenesis Invited Speaker: Mu-Chun Chen The origin of the asymmetry between matter and anti-matter of the Universe has been one of the great challenges in particle physics and cosmology. Leptogenesis as a mechanism for generating the cosmological baryon asymmetry of the Universe has gained significant interests ever since the advent of the evidence of non-zero neutrino masses. In this talk, I will discuss various realizations of leptogenesis and recent developments on this subject. [Preview Abstract] |
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