Two simple photon gauges in inflation
Abstract Photon propagators for power-law inflation are constructed in two one-parameter families of noncovariant gauges, in an arbitrary number of spacetime dimensions. In both gauges photon propagators take relatively simple forms expressed in terms of scalar propagators and their derivatives. The...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2025-06-01
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| Series: | Journal of High Energy Physics |
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| Online Access: | https://doi.org/10.1007/JHEP06(2025)162 |
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| _version_ | 1849344086235938816 |
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| author | Dražen Glavan |
| author_facet | Dražen Glavan |
| author_sort | Dražen Glavan |
| collection | DOAJ |
| description | Abstract Photon propagators for power-law inflation are constructed in two one-parameter families of noncovariant gauges, in an arbitrary number of spacetime dimensions. In both gauges photon propagators take relatively simple forms expressed in terms of scalar propagators and their derivatives. These are considerably simpler compared to their general covariant gauge counterpart. This makes feasible performing dimensionally regulated loop computations involving massless vector fields in inflation. |
| format | Article |
| id | doaj-art-cd9eb9f2cfbf47b9befcb0c8fc2b4d79 |
| institution | Kabale University |
| issn | 1029-8479 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj-art-cd9eb9f2cfbf47b9befcb0c8fc2b4d792025-08-20T03:42:45ZengSpringerOpenJournal of High Energy Physics1029-84792025-06-012025614210.1007/JHEP06(2025)162Two simple photon gauges in inflationDražen Glavan0CEICO, FZU — Institute of Physics of the Czech Academy of SciencesAbstract Photon propagators for power-law inflation are constructed in two one-parameter families of noncovariant gauges, in an arbitrary number of spacetime dimensions. In both gauges photon propagators take relatively simple forms expressed in terms of scalar propagators and their derivatives. These are considerably simpler compared to their general covariant gauge counterpart. This makes feasible performing dimensionally regulated loop computations involving massless vector fields in inflation.https://doi.org/10.1007/JHEP06(2025)162Early Universe Particle PhysicsGauge SymmetryNon-Equilibrium Field TheoryCosmological models |
| spellingShingle | Dražen Glavan Two simple photon gauges in inflation Journal of High Energy Physics Early Universe Particle Physics Gauge Symmetry Non-Equilibrium Field Theory Cosmological models |
| title | Two simple photon gauges in inflation |
| title_full | Two simple photon gauges in inflation |
| title_fullStr | Two simple photon gauges in inflation |
| title_full_unstemmed | Two simple photon gauges in inflation |
| title_short | Two simple photon gauges in inflation |
| title_sort | two simple photon gauges in inflation |
| topic | Early Universe Particle Physics Gauge Symmetry Non-Equilibrium Field Theory Cosmological models |
| url | https://doi.org/10.1007/JHEP06(2025)162 |
| work_keys_str_mv | AT drazenglavan twosimplephotongaugesininflation |