DesignMotivateAnalyze Surveys CMB lensing Primordial Non gaussianity Modified Gravity Software Cosmo Simulations Analysis pipelines Level 3 Frameworks Gravitational Lensing of the CMB ID: 1022610
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1. Theorists’ Contributions to CosmologyDesign/Motivate/Analyze Surveys -- CMB lensing -- Primordial Non-gaussianity -- Modified GravitySoftware -- Cosmo Simulations -- Analysis pipelines -- Level 3 Frameworks
2. Gravitational Lensing of the CMBCMB is deflected as it travels to usDeflection depends on gravitational potential along the line of sightTheorists designed estimators for the projected gravitational potential
3. Gravitational Lensing of the CMBCan make maps …And calculate spectra
4. Primordial Non-GaussianityEffective Field Theory relates operators to bispectrum shapes that can be observed on the sky
5. Primordial Non-GaussianityTheorists proved that in the presence of PNG, the variance is larger in the presence of a large wavelength over-density … leading to unique signature in galaxy surveys
6. Modified GravityEven initial f(R) models led to an appreciation of extra degrees of freedomMassive gravity has extra DOF; with appropriate (Galileon) Lagrangian, can avoid Boulware-Deser ghosts
7. Modified GravityGENERAL RELATIVITY MODIFIED GRAVITYBoth potential deviations depend on both space and time. Upcoming surveys will measure dozens of modes; it’s not just w!
8. SoftwareGoal Use masks derived from simulations to quantify the bias in the angular correlation functions due to the survey tile strategy.Task Apply the survey masks to uniformly distributed source samples and calculate the angular correlation function estimators.Preconditions: Survey masks need to have been generated.Post-conditions: Algorithms for source & field selection may be modified on an application-specific basis.Description: Build catalogs for a large area of the sky based on the survey strategy and compute correlation functions and assess biases and mitigation strategies.Cosmo sims (similar to LQCD)Likelihood system for galaxy surveysLevel 3 Software Framework