Space-time variation of the electron-to-proton mass ratio in a Weyl model
Seeking a possible explanation for recent data indicating a space-time variation of the electron-to-proton mass ratio within the Milky Way, we consider a phenomenological model where the effective fermion masses depend on the local value of the Weyl tensor. We contrast the required values of the mod...
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2012
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| Acceso en línea: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09276505_v35_n6_p377_Landau http://hdl.handle.net/20.500.12110/paper_09276505_v35_n6_p377_Landau |
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paper:paper_09276505_v35_n6_p377_Landau2023-06-08T15:51:55Z Space-time variation of the electron-to-proton mass ratio in a Weyl model Equivalence principle Varying fundamental constants Electron mass Equivalence principles Fermion mass Free parameters Fundamental constants Mass ratio Milky ways Phenomenological models Weak equivalence principle Equivalence classes Tensors Protons Seeking a possible explanation for recent data indicating a space-time variation of the electron-to-proton mass ratio within the Milky Way, we consider a phenomenological model where the effective fermion masses depend on the local value of the Weyl tensor. We contrast the required values of the model's free parameters with bounds obtained from modern tests on the violation of the weak equivalence principle and we find that these quantities are incompatible. This result indicates that the variation of nucleon and electron masses through a coupling with the Weyl tensor is not a viable model. © 2011 Elsevier B.V. All rights reserved. 2012 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09276505_v35_n6_p377_Landau http://hdl.handle.net/20.500.12110/paper_09276505_v35_n6_p377_Landau |
| institution |
Universidad de Buenos Aires |
| institution_str |
I-28 |
| repository_str |
R-134 |
| collection |
Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) |
| topic |
Equivalence principle Varying fundamental constants Electron mass Equivalence principles Fermion mass Free parameters Fundamental constants Mass ratio Milky ways Phenomenological models Weak equivalence principle Equivalence classes Tensors Protons |
| spellingShingle |
Equivalence principle Varying fundamental constants Electron mass Equivalence principles Fermion mass Free parameters Fundamental constants Mass ratio Milky ways Phenomenological models Weak equivalence principle Equivalence classes Tensors Protons Space-time variation of the electron-to-proton mass ratio in a Weyl model |
| topic_facet |
Equivalence principle Varying fundamental constants Electron mass Equivalence principles Fermion mass Free parameters Fundamental constants Mass ratio Milky ways Phenomenological models Weak equivalence principle Equivalence classes Tensors Protons |
| description |
Seeking a possible explanation for recent data indicating a space-time variation of the electron-to-proton mass ratio within the Milky Way, we consider a phenomenological model where the effective fermion masses depend on the local value of the Weyl tensor. We contrast the required values of the model's free parameters with bounds obtained from modern tests on the violation of the weak equivalence principle and we find that these quantities are incompatible. This result indicates that the variation of nucleon and electron masses through a coupling with the Weyl tensor is not a viable model. © 2011 Elsevier B.V. All rights reserved. |
| title |
Space-time variation of the electron-to-proton mass ratio in a Weyl model |
| title_short |
Space-time variation of the electron-to-proton mass ratio in a Weyl model |
| title_full |
Space-time variation of the electron-to-proton mass ratio in a Weyl model |
| title_fullStr |
Space-time variation of the electron-to-proton mass ratio in a Weyl model |
| title_full_unstemmed |
Space-time variation of the electron-to-proton mass ratio in a Weyl model |
| title_sort |
space-time variation of the electron-to-proton mass ratio in a weyl model |
| publishDate |
2012 |
| url |
https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09276505_v35_n6_p377_Landau http://hdl.handle.net/20.500.12110/paper_09276505_v35_n6_p377_Landau |
| _version_ |
1768543569493098496 |