**Everything You Always Wanted To Know About The Cosmological Constant Problem**

by Jerome Martin

**Publisher**: arXiv 2012**Number of pages**: 89

**Description**:

This article aims at discussing the cosmological constant problem at a pedagogical but fully technical level. We review how the vacuum energy can be regularized in flat and curved space-time and how it can be understood in terms of Feynman bubble diagrams.

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