femtometer


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femtometer

[′fem·tō‚mēd·ər]
(mechanics)
A unit of length, equal to 10-15 meter; used particularly in measuring nuclear distances. Abbreviated fm. Also known as fermi.
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Also, the Reissner-Nordstrom metric [4], devised 50 years before the development of scalar fields, predicts effects which are negligible more than a few femtometers [[10.sup.-15] m] from a charged particle.
Exotic material as interactions between scalar fields

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