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Universe 2017, 3(3), 60; doi:10.3390/universe3030060

Do We Live in the Best of All Possible Worlds? The Fine-Tuning of the Constants of Nature

Deutsches Elektronen-Synchrotron DESY, Platanenallee 6, 15738 Zeuthen, Germany
Received: 14 June 2017 / Revised: 20 July 2017 / Accepted: 26 July 2017 / Published: 1 August 2017
(This article belongs to the Special Issue Varying Constants and Fundamental Cosmology)
View Full-Text   |   Download PDF [232 KB, uploaded 1 August 2017]

Abstract

Our existence depends on a variety of constants which appear to be extremely fine-tuned to allow for the existence of life as we know it. These include the number of spatial dimensions, the strengths of the forces, the masses of the particles, the composition of the Universe, and others. On the occasion of the 300th anniversary of the death of G.W. Leibniz, we discuss the question of whether we live in the “Best of all possible Worlds”. The hypothesis of a multiverse could explain the mysterious fine tuning of so many fundamental quantities. Anthropic arguments are critically reviewed. View Full-Text
Keywords: multiverse; anthropic argument; fine-tuning multiverse; anthropic argument; fine-tuning
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Naumann, T. Do We Live in the Best of All Possible Worlds? The Fine-Tuning of the Constants of Nature. Universe 2017, 3, 60.

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