In this study,we investigate a scenario based on the effects of the Loop Quantum Gravity(LQG)on the electromagnetic sector of the Standard Model of Fundamental Interactions and Particle Physics(SM).Starting from a pos...In this study,we investigate a scenario based on the effects of the Loop Quantum Gravity(LQG)on the electromagnetic sector of the Standard Model of Fundamental Interactions and Particle Physics(SM).Starting from a post-Maxwellian version of electromagnetism that includes LQG effects,we derive and discuss the influence of LQG parameters on classical quantities such as the components of the stress-tensor.Furthermore,we inspect the propagation of electromagnetic waves and examine the optical properties of the QED vacuum in this scenario.Among these,we contemplate the combined effect of the LQG parameters and a homogeneous background magnetic field on the propagation of electromagnetic waves by considering issues such as group velocities and refractive indices of the QED vacuum,in detail.Finally,with the aid of the previously analyzed LQG-extended photonic dispersion relations,we re-discuss the kinematics of the Compton effect and conclude that an interesting nonlinear profile emerges in the wavelengths of the incoming and deflected photons.展开更多
基金support by CAPESsupport by the Fundação Carlos Chagas Filho de AmparoàPesquisa do Estado do Rio de Janeiro(FAPERJ),Grant No.E-26/202.437/2024.
文摘In this study,we investigate a scenario based on the effects of the Loop Quantum Gravity(LQG)on the electromagnetic sector of the Standard Model of Fundamental Interactions and Particle Physics(SM).Starting from a post-Maxwellian version of electromagnetism that includes LQG effects,we derive and discuss the influence of LQG parameters on classical quantities such as the components of the stress-tensor.Furthermore,we inspect the propagation of electromagnetic waves and examine the optical properties of the QED vacuum in this scenario.Among these,we contemplate the combined effect of the LQG parameters and a homogeneous background magnetic field on the propagation of electromagnetic waves by considering issues such as group velocities and refractive indices of the QED vacuum,in detail.Finally,with the aid of the previously analyzed LQG-extended photonic dispersion relations,we re-discuss the kinematics of the Compton effect and conclude that an interesting nonlinear profile emerges in the wavelengths of the incoming and deflected photons.
