 Primordial isocurvature baryon model

The Primordial Isocurvature Baryon model is a theoretical framework in cosmology that deals with the various types of fluctuations present in the early universe. To understand this model, it's essential to break down a few key concepts. ### Key Concepts: 1. **Cosmic Microwave Background (CMB)**: This is the afterglow radiation from the Big Bang, which provides a snapshot of the early universe.