Fundamental Constants in Physics and Their Time Variation

TL;DR

This paper reviews the current state of research on fundamental physical constants and their potential variation over time, highlighting its significance across multiple physics disciplines.

Contribution

It provides a comprehensive overview of recent theoretical and experimental advancements in studying the time variation of fundamental constants.

Findings

Current experimental limits on constant variation

Theoretical models predicting constant variation

Implications for cosmology and particle physics

Abstract

There is no doubt that the field of Fundamental Constants in Physics and Their Time Variation is one of the hottest subjects in modern theoretical and experimental physics, with potential implications in all fundamental areas of physics research, such as particle physics, gravitation, astrophysics and cosmology. In this Special Issue, the state-of-the-art in the field is presented in detail.