View source for Inertial Mass: a Changing Entity? Weber vs. Einstein, Weber Plus Einstein or None?

{{Infobox paper
| title = Inertial Mass: a Changing Entity? Weber vs. Einstein, Weber Plus Einstein or None?
| url = [http://www.naturalphilosophy.org/pdf/abstracts/abstracts_671.pdf Link to paper]
| author = [[Jorge A Guala-Valverde]], [[Ricardo A Achilles]], [[Roberto Blas]]
| keywords = [[electron?s inertial mass]], [[mass-energy equivalence]]
| published = 2005
| journal = [[Apeiron]]
| volume = [[12]]
| number = [[3]]
| num_pages = 2
| pages = 351-352
}}

'''Read the full paper''' [http://www.naturalphilosophy.org/pdf/abstracts/abstracts_671.pdf here]

==Abstract==

Mikhailov claims to have measured changes in the electron's inertial mass when located inside a uniformly charged spherical shell. The above mass, calculated by Assis founded on Weber's force becomes m<sub>W</sub> = m<sub>o</sub>&nbsp;- qV/3c<sup>2</sup> for a charge q placed in a region of Coulomb's potential V.   In page 161 of Mikhailov states: ?So, if q and V have same (opposite) signs there is a decrease (increase) of the particle's effective mass.? Then, for q = ?e and V = k(Q/R) &gt; 0, we get a mass increase yielding m = m<sub>o</sub> + eV/3c<sup>2</sup> &gt; m<sub>o</sub>.

We remember now that also Einstein's mass-energy equivalence, m<sub>E</sub> = Energy/c<sup>2</sup>, allows us to predict the electron mass-electrostatic potential dependence, of the same order of magnitude but opposite in sign. As a matter of fact, we have described the electronic mass defect taking place in the atomic electron. Let us consider an electron inside a positively charged spherical shell of charge Q, radius R producing a potential V = k(Q/R) &gt; 0. The mutual electrostatic potential energy is ?eV &lt; 0, so that a positive work must be supplied to carry the electron to infinite.

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