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What is Matter Power Spectrum Analysis about?
This document discusses choosing a weight function h(k) to model the matter power spectrum of the early universe. It proposes a function using a hyperbolic tangent with free parameters A, B, kb, and α. The requirements of normalization and boundary conditions fix B=1/2 and express h(k) solely in terms of the parameter α and the preferred wave number kb. Some example values of kb are given corresponding to previous literature. A figure illustrates the shape of the resulting function h(k) for different values
- Author
- Cosmo Fana
- Language
- EN