Cosmic Information Theory and Analysis

宇宙信息论与分析

• 批准号: 1141-2012
• 负责人: Bond, Richard
• 金额: $ 9.83万
• 依托单位: University of Toronto
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2014
• 资助国家: 加拿大
• 起止时间: 2014-01-01 至 2015-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=543942
• 关键词: Cosmic; Information; Theory; Analysis

The production, transport, measurement and meaning of Cosmic Information in theory and with data will be a major theme in 2012-17. Over three decades my group has shown with ever increasing precision that cosmic observables - mostly from CMB experiments we were/are directly involved in - provide key information on structure formation, and the parameters that define it, such as the baryon, dark matter and dark energy (DE) densities, average curvature, size, and those for primordial inflation fluctuations generated, including power spectrum amplitudes and shapes and possible non-Gaussianity. With large scale structure (LSS), supernova and CMB data, we determine allowed physically-motivated trajectories of the dark energy equation of state (DE EOS). We are a critical analysis node of CMB teams, currently immersed in data from the satellite Planck, the Atacama Cosmology Telescope (ACT) and the Cosmic Background Imager (CBI2); in the immediate past from Boomerang, CBIpol, Acbar and WMAP; in 12-17 from WMAP9, ACTpol, ABS, Spider, GBT, Quiet-90 and Planck. By developing/applying theoretical computations of all types and sophisticated statistical tools, we have determined well in 06-11 the CMB temperature and E-polarization power spectra, and will do so exquisitely in 12-17. Many long-term theoretical and phenomenological projects underway to interpret the data avalanche include: the thermal and kinetic CMB Sunyaev-Zeldovich effects, using large hydrodynamical simulations of the cosmic web with energy-feedback; CMB gravitational lensing; extragalactic radio sources and sub-mm sources ( Cosmic Infrared Background); Galactic foregrounds (e.g., polarized dust emission via novel statistical measures of MHD turbulence). A 12-17 target is CMB B-mode polarization to detect inflation-generated gravitational waves or set theory-killing upper limits. Related fundamental physics projects will develop/apply our trajectory methods for inflation-acceleration, the DE EOS and ionization fraction and our non-Gaussian forms from modulated post-inflation-preheating shocks-in-time to the full emerging CMB+LSS data, conditioned by theoretical priors, e.g., motivated by a string landscape.

理论上和数据中宇宙信息的生产，运输，测量和含义将是2012 - 17年的主要主题。 我的小组已经越来越精确地表明，宇宙可观察物（主要来自我们/直接参与的CMB实验）提供了有关结构形成的关键信息，以及定义它的参数，例如Baryon，Dark Matter和Dark Energy和Dark Energy（DE），并将其用于原始的曲率，大小和整体流动性，以及这些参数，以及这些曲率，以及这些曲率，以及这些曲率，以及范围的流动性，以及范围的范围，以及范围的范围，以及范围的融合式脉动范围，以及范围的范围，以及这些频率的范围，以及范围的脉动范围，以及范围的脉动范围。非高斯。使用大规模结构（LSS），超新星和CMB数据，我们确定允许状态暗能量方程（DE EOS）的物理动力轨迹。我们是CMB团队的关键分析节点，目前沉浸在卫星普朗克，Atacama Cosmology望远镜（ACT）和宇宙背景成像器（CBI2）的数据中；在Boomerang，Cbipol，Acbar和WMAP的直接过去；从WMAP9，ACTPOL，ABS，SPIDER，GBT，QUIET-90和PLANCK的12-17中。通过开发/应用所有类型和复杂的统计工具的理论计算，我们在06-11中确定了CMB温度和电子偏振功率谱，并且在12-17中将非常精致。许多长期的理论和现象学项目正在解释数据雪崩包括：使用具有能量反馈的宇宙网络的大型流体动力学模拟，热和动力学CMB Sunyaev-Zeldovich效应； CMB重力镜头；外层次无线电源和亚MM来源（宇宙红外背景）；银河前景（例如，通过新颖的MHD湍流统计测量方法极化粉尘发射）。 一个12-17的目标是CMB B模式极化，以检测通货膨胀产生的重力波或设定杀死理论的上限。相关的基本物理项目将开发/应用我们的轨迹方法，用于通货膨胀加速，DE EOS和电离分数以及我们的非高斯形式，从调制后发电后造成的冲击激动的冲击到完整的CMB+LSS数据，由理论上的prieors驱动，例如，由理论上的prieors驱动。