Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-09-05
Physics
High Energy Physics
High Energy Physics - Phenomenology
seven pages, no figures
Scientific paper
The fact that life has evolved in our universe constrains the laws of physics. The anthropic principle proposes that these constraints are sometimes very tight and can be used to explain in a sense the corresponding laws. Recently a "disproof" of the anthropic principle has been proposed in the form of a universe without weak interactions, but with other parameters suitably tuned to nevertheless allow life to develop. If a universe with such different physics from ours can generate life, the anthropic principle is undermined. We point out, however, that on closer examination the proposed "weakless" universe strongly inhibits the development of life in several different ways. One of the most critical barriers is that a weakless universe is unlikely to produce enough oxygen to support life. Since oxygen is an essential element in both water, the universal solvent needed for life, and in each of the four bases forming the DNA code for known living beings, we strongly question the hypothesis that a universe without weak interactions could generate life.
Clavelli L.
White III Raymond E.
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