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Does an electric field or a magnetic field have mass
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<blockquote data-quote="Harte" data-source="post: 207579" data-attributes="member: 443"><p>Feynman's lecture doesn't pertain to mass of an EM field, just to the "electromagnetic mass" of a charged particle. A charged particle is not the field it carries. The charge creates the field.</p><p>EM fields are governed by photons, which are not charged. However, they do have mass in the form of momentum, which is entirely dependent on wavelength, like I said. An EM field has no mass. If it did, then photons would have a rest mass (invariant mass,) which means photons we observe would have observable mass because of the relativistic mass effect on the invariant mass they carry, along with the momentum they have due to wavelength.</p><p></p><p>Of course, photons could have such a tiny invariant mass they we can't observe it - yet. However, that is simply speculation. It can't be asserted without evidence.</p><p></p><p>Harte</p></blockquote><p></p>
[QUOTE="Harte, post: 207579, member: 443"] Feynman's lecture doesn't pertain to mass of an EM field, just to the "electromagnetic mass" of a charged particle. A charged particle is not the field it carries. The charge creates the field. EM fields are governed by photons, which are not charged. However, they do have mass in the form of momentum, which is entirely dependent on wavelength, like I said. An EM field has no mass. If it did, then photons would have a rest mass (invariant mass,) which means photons we observe would have observable mass because of the relativistic mass effect on the invariant mass they carry, along with the momentum they have due to wavelength. Of course, photons could have such a tiny invariant mass they we can't observe it - yet. However, that is simply speculation. It can't be asserted without evidence. Harte [/QUOTE]
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Does an electric field or a magnetic field have mass
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