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A comment on Bohr–van Leeuwen theorem – magnetism in solids is a quantum mechanical effect. Parent comment

Re:Bohr–van Leeuwen theorem – magnetism in solids is a quant... by Koshkin on Sunday July 19, 2020 @06:52PM (#23893119)
I guess, depends on who 'we' is. (Besides, do "we" really understand quantum electrodynamics, or we just understand the math?)
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Re:Bohr–van Leeuwen theorem – magnetism in solids is a quant... by garmaine on Monday July 20, 2020 @04:05PM (#23901344)
Yes, speaking as a physicist, QED is perfectly understandable.
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