The electron electric dipole moment de is an intrinsic property of an electron such that the potential energy is linearly related to the strength of the electric field:
The electron's electric dipole moment (EDM) must be collinear with the direction of the electron's magnetic moment (spin).[1] Within the Standard Model of elementary particle physics, such a dipole is predicted to be non-zero but very small, at most 10−38 e⋅cm,[2] where e stands for the elementary charge. The discovery of a substantially larger electron electric dipole moment would imply a violation of both parity invariance and time reversal invariance.[3][4]
- ^ Eckel, S.; Sushkov, A.O.; Lamoreaux, S.K. (2012). "Limit on the electron electric dipole moment using paramagnetic ferroelectric Eu0.5Ba0.5TiO3". Physical Review Letters. 109 (19): 193003. arXiv:1208.4420. Bibcode:2012PhRvL.109s3003E. doi:10.1103/PhysRevLett.109.193003. PMID 23215379. S2CID 35411253.
- ^ Pospelov, M.; Ritz, A. (2005). "Electric dipole moments as probes of new physics". Annals of Physics. 318 (1): 119–169. arXiv:hep-ph/0504231. Bibcode:2005AnPhy.318..119P. doi:10.1016/j.aop.2005.04.002. S2CID 13827759.
- ^ Khriplovich, I.B.; Lamoreaux, S.K. (1997). CP violation without strangeness: Electric dipole moments of particles, atoms, and molecules. Springer-Verlag.
- ^ P. R. Bunker and P. Jensen (2005), Fundamentals of Molecular Symmetry (CRC Press) ISBN 0-7503-0941-5[1] Chapter 15
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