models:classical_electrodynamics

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models:classical_electrodynamics [2018/10/16 13:22] 77.176.221.124 [Concrete] |
models:classical_electrodynamics [2019/07/01 07:20] (current) 129.13.36.189 [Research] |
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This is known as premetric approach and is described in detail in the book "Foundations of Classical Electrodynamics: Charge, Flux, and Metric" by F. W. Hehl and Yu. N. Obukhov. | This is known as premetric approach and is described in detail in the book "Foundations of Classical Electrodynamics: Charge, Flux, and Metric" by F. W. Hehl and Yu. N. Obukhov. | ||

- | In addition, the electrodynamics and especially the Maxwell equations are modified if [[models:speculative_models:axion|axions]] exist. This is known as [[https://inspirehep.net/record/1337434/files/26-Kuriksha.pdf|axion electrodynamics]] and was first noted in F. Wilczek, Phys. Rev. Lett. 58, 1799 (1987). | + | In addition, the electrodynamics and especially the Maxwell equations are modified if [[models:speculative_models:axion|axions]] exist. This is known as [[https://inspirehep.net/record/1337434/files/26-Kuriksha.pdf|axion electrodynamics]] and was first noted in F. Wilczek, Phys. Rev. Lett. 58, 1799 (1987). The main idea here is that if the theta parameter can change in space and time $\theta=\theta(x,t)$, the term $\theta F \tilde F$ directly influences the equations of motion. This is discussed explicitly in Section 1.2 "The Theta Term" in [[http://www.damtp.cam.ac.uk/user/tong/gaugetheory/gt.pdf|Tong's lectures on gauge theory]]. |

The Maxwell equations in the presence of axions read | The Maxwell equations in the presence of axions read |

models/classical_electrodynamics.txt · Last modified: 2019/07/01 07:20 by 129.13.36.189

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