Entropia, informação, passado e futuro: a conexão entre conceitos fundamentais da Física teórica

Abstract

This work is an analysis of how the concepts of entropy and information relate to time and the structure of the universe, as well as their importance. Striving to provide basic literature with a global overview, it contains an analysis that is both careful and full of reflections that aim to bring together intrinsically connected subjects that are often poorly understood due to fragmentation. The Laws of Physics contain a temporal symmetry that doesn’t distinguish past from future. However, there exists an arrow of time that distinguishes past from future and has substantial influence on the Universe, and is yet to be understood, due to it probably being related to the origin of the universe, which itself still is one of the most challenging problems in Theoretical Physics. Unification theories try to conciliate quantum mechanics with general relativity, but those two theories pose serious inconsistencies when together. The role of time is central to Physics’ most fundamental analyses and therefore should receive more attention in order for Physics to progress.