General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM
In this letter, we examine a new class of CPT-even nonminimal interactions, between fermions and photons, deprived of higher order derivatives, that yields electric dipole moment (EDM) and magnetic dipole moment (MDM) in the context of the Dirac equation. The couplings are dimension-five CPT-even an...
Main Authors: | , , |
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Format: | Article |
Language: | English |
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Elsevier
2016-09-01
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Series: | Physics Letters B |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0370269316303306 |
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author | Jonas B. Araujo Rodolfo Casana Manoel M. Ferreira JR. |
author_facet | Jonas B. Araujo Rodolfo Casana Manoel M. Ferreira JR. |
author_sort | Jonas B. Araujo |
collection | DOAJ |
description | In this letter, we examine a new class of CPT-even nonminimal interactions, between fermions and photons, deprived of higher order derivatives, that yields electric dipole moment (EDM) and magnetic dipole moment (MDM) in the context of the Dirac equation. The couplings are dimension-five CPT-even and Lorentz-violating nonminimal structures, composed of a rank-2 tensor, Tμν, the electromagnetic tensor, and gamma matrices, being addressed in its axial and non-axial Hermitian versions, and also comprising general possibilities. We then use the electron's anomalous magnetic dipole moment and electron electric dipole moment measurements to reach upper bounds of 1 part in 1020 and 1025 (eV)−1. |
first_indexed | 2024-12-11T07:41:17Z |
format | Article |
id | doaj.art-e75193acbb6c466897670f58dfbd4480 |
institution | Directory Open Access Journal |
issn | 0370-2693 1873-2445 |
language | English |
last_indexed | 2024-12-11T07:41:17Z |
publishDate | 2016-09-01 |
publisher | Elsevier |
record_format | Article |
series | Physics Letters B |
spelling | doaj.art-e75193acbb6c466897670f58dfbd44802022-12-22T01:15:33ZengElsevierPhysics Letters B0370-26931873-24452016-09-01760C30230810.1016/j.physletb.2016.06.070General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDMJonas B. AraujoRodolfo CasanaManoel M. Ferreira JR.In this letter, we examine a new class of CPT-even nonminimal interactions, between fermions and photons, deprived of higher order derivatives, that yields electric dipole moment (EDM) and magnetic dipole moment (MDM) in the context of the Dirac equation. The couplings are dimension-five CPT-even and Lorentz-violating nonminimal structures, composed of a rank-2 tensor, Tμν, the electromagnetic tensor, and gamma matrices, being addressed in its axial and non-axial Hermitian versions, and also comprising general possibilities. We then use the electron's anomalous magnetic dipole moment and electron electric dipole moment measurements to reach upper bounds of 1 part in 1020 and 1025 (eV)−1.http://www.sciencedirect.com/science/article/pii/S0370269316303306 |
spellingShingle | Jonas B. Araujo Rodolfo Casana Manoel M. Ferreira JR. General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM Physics Letters B |
title | General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM |
title_full | General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM |
title_fullStr | General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM |
title_full_unstemmed | General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM |
title_short | General CPT-even dimension-five nonminimal couplings between fermions and photons yielding EDM and MDM |
title_sort | general cpt even dimension five nonminimal couplings between fermions and photons yielding edm and mdm |
url | http://www.sciencedirect.com/science/article/pii/S0370269316303306 |
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