Dark photons and tachyonic instability induced by Barbero–Immirzi parameter and axion–torsion transmutation
Abstract In this paper, we investigate Holst gravity by examining two different examples. The first example involves minimal coupling to torsion, while the second explores non-minimal coupling. The motivation for the first example stems from the recent work by Dombriz et al. (Phys Lett B 834:137488,...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
SpringerOpen
2025-04-01
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| Series: | European Physical Journal C: Particles and Fields |
| Online Access: | https://doi.org/10.1140/epjc/s10052-025-14065-5 |
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