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Comment on "Prospects for a new search for the electron electric-dipole moment in solid gadolinium-iron-garnet ceramics"


Ivezić, Tomislav
Comment on "Prospects for a new search for the electron electric-dipole moment in solid gadolinium-iron-garnet ceramics", 2010. (e-preprint arhive).


Naslov
Comment on "Prospects for a new search for the electron electric-dipole moment in solid gadolinium-iron-garnet ceramics"

Autori
Ivezić, Tomislav

Izvornik
ArXiv:1005.3037

Vrsta, podvrsta
Ostale vrste radova, e-preprint arhive

Godina
2010

Ključne riječi
Electron electric dipole moment; new spin

Sažetak
In a recent paper [A. O. Sushkov, S. Eckel and S. K. Lamoreaux, Phys. Rev. A 79, 022118 (2009), arXiv:0810.2756 ] the authors measured the EDM-induced magnetization M that is given by Eq. (1) in their paper. Such an expression for M is a consequence of the generally accepted opinion that both dipole moments, a MDM m and an EDM d, are proportional to the spin S. Recently [T. Ivezic, Phys. Scr. 81, 025001 (2010)] the Uhlenbeck-Goudsmit hypothesis is generalized in a Lorentz covariant manner using the four-dimensional (4D) geometric quantities. From the viewpoint of such formulation there is no EDM-induced magnetization M ; in the 4D spacetime the EDM d^{; ; a}; ; is not proportional to S^{; ; a}; ; . It is argued that the induced M can come from the direct interaction between the applied electric field E^{; ; a}; ; and a MDM m^{; ; a}; ; .

Izvorni jezik
Engleski

Znanstvena područja
Fizika



POVEZANOST RADA


Projekt / tema
098-1191005-2879 - Fizika teških iona (Zoran Basrak, )

Ustanove
Institut "Ruđer Bošković", Zagreb

Autor s matičnim brojem:
Tomislav Ivezić, (71760)