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The Mildly Non-Linear Regime of Structure Formation
Svetlin Tassev, Matias Zaldarriaga
We present a simple physically motivated picture for the mildly non-linear regime of structure formation, which captures the effects of the bulk flows. We apply this picture to dev…
Dissipative effects in the Effective Field Theory of Inflation
Diana Lopez Nacir, Rafael A. Porto, Leonardo Senatore +1
We generalize the effective field theory of single clock inflation to include dissipative effects. Working in unitary gauge we couple a set of composite operators in the effective…
Testing General Relativity on Horizon Scales and the Primordial non-Gaussianity
Jaiyul Yoo, Nico Hamaus, Uros Seljak +1
The proper general relativistic description of the observed galaxy power spectrum is substantially different from the standard Newtonian description on large scales, providing a un…
New Sources of Gravitational Waves during Inflation
Leonardo Senatore, Eva Silverstein, Matias Zaldarriaga
We point out that detectable inflationary tensor modes can be generated by particle or string sources produced during inflation, consistently with the requirements for inflation an…
A universal bound on N-point correlations from inflation
Kendrick M. Smith, Marilena LoVerde, Matias Zaldarriaga
Models of inflation in which non-Gaussianity is generated outside the horizon, such as curvaton models, generate distinctive higher-order correlation functions in the CMB and other…
Galaxy Bias and non-Linear Structure Formation in General Relativity
Tobias Baldauf, Uros Seljak, Leonardo Senatore +1
Length scales probed by large scale structure surveys are becoming closer to the horizon scale. Further, it has been recently understood that non-Gaussianity in the initial conditi…
Connection between Newtonian simulations and general relativity
Nora Elisa Chisari, Matias Zaldarriaga
On large-scales, comparable to the horizon, the observable clustering properties of galaxies are affected by various general relativistic effects. To calculate these effects one ne…