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The large-scale 3-point correlation function of the SDSS BOSS DR12 CMASS galaxies
Zachary Slepian, Daniel J. Eisenstein, Florian Beutler +15
We report a measurement of the large-scale 3-point correlation function of galaxies using the largest dataset for this purpose to date, 777, 202 Luminous Red Galaxies in the Sloan…
A new look at lines of sight: using Fourier methods for the wide-angle anisotropic 2-point correlation function
Zachary Slepian, Daniel J. Eisenstein
The anisotropic 2-point correlation function (2PCF) of galaxies measures pairwise clustering as a function of the pair separation's angle to the line of sight. The latter is often…
A Simple Analytic Treatment of Linear Growth of Structure with Baryon Acoustic Oscillations
Zachary Slepian, Daniel J. Eisenstein
In linear perturbation theory, all information about the growth of structure is contained in the Green's function, or equivalently, transfer function. These functions are generally…
Accelerating the 2-point and 3-point galaxy correlation functions using Fourier transforms
Zachary Slepian, Daniel J. Eisenstein
Though Fourier Transforms (FTs) are a common technique for finding correlation functions, they are not typically used in computations of the anisotropy of the two-point correlation…
Computing the Three-Point Correlation Function of Galaxies in Time
Zachary Slepian, Daniel J. Eisenstein
We present an algorithm that computes the multipole coefficients of the galaxy three-point correlation function (3PCF) without explicitly considering triplets of galaxies. Rather,…