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Visualization of eEDM and AEDM. The eEDM vector is aligned along the angular momentum vector. Its dipole is a static charge shift with respect to the center of mass. The orientation of the AEDM vector is independent from the angular momentum. Its dipole is a dynamic charge shift with respect to the stationary center of mass. The eEDM vector is collinear with the angular momentum vector ħ. Its static dipole moment is non-zero. The AEDM vector is collinear with the position vector ħ/c. Its static dipole moment is zero. Note that the finite dimensions of the AEDM may shrink to zero while preserving a finite dynamic dipole moment value. An eEDM is not consistent with a pointlike structure, while the AEDM is, because of the Heisenberg uncertainty

Visualization of eEDM and AEDM. The eEDM vector is aligned along the angular momentum vector. Its dipole is a static charge shift with respect to the center of mass. The orientation of the AEDM vector is independent from the angular momentum. Its dipole is a dynamic charge shift with respect to the stationary center of mass. The eEDM vector is collinear with the angular momentum vector ħ. Its static dipole moment is non-zero. The AEDM vector is collinear with the position vector ħ/c. Its static dipole moment is zero. Note that the finite dimensions of the AEDM may shrink to zero while preserving a finite dynamic dipole moment value. An eEDM is not consistent with a pointlike structure, while the AEDM is, because of the Heisenberg uncertainty

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An analysis is presented of the possible existence of the second anomalous dipole moment of Dirac’s particle next to the one associated with the angular momentum. It includes a discussion why, in spite of his own derivation, Dirac has doubted about its relevancy. It is shown why since then it has been overlooked and why it has vanished from leading...

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... The vertical one is the equivalent of the magnetic dipole moment of an electron. The (real valued) horizontal dipole moment is the equivalent of the (imaginary valued) electric dipole moment of an electron [9,10]. In a later description, after recognizing that this structure shows properties that match with a Maxwellian description, the quarks have been described as magnetic monopoles in Comay's Regular Charge Monopole Theory (RCMT) [7,11]. ...
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