The physical basis of natural units and truly fundamental constants

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Leonardo Hsua, Jong-Ping Hsua
Abstract: The natural unit system, in which the value of fundamental constants such as c and h-bar are set equal to one and all quantities are expressed in terms of a single unit, is usually introduced as a calculational convenience.
However, we demonstrate that this system of natural units has aphysical justification as well. We discuss and review the natural units, including definitions for each of the seven base units in the International System of Units (SI) in terms of a single unit.
We also review the fundamental constants, which can be classified as units-dependent or unitsindependent.
Units-independent constants, whose values are not determined by human conventions
of units, may be interpreted as inherent constants of nature….
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Written by physicsgg

December 31, 2011 at 9:01 am

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