Thursday 30 April 2020

How virtual photons give rise to electric and/or magnetic field?



Say a neutron which have magnetic moment despite carrying no charge. Isn't both the electric field and magnetic field consist of virtual photons? So how can the same virtual photons give rise to 2 different properties? Since virtual photon is the excitation of a quantum field how come the same excitation of the quantum field can have different behavior like giving particle electric charge or spin?




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