Deep Exploration of the Physical Mechanism of Light in Moving Medium Based on the Fizeau Experiment | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Deep Exploration of the Physical Mechanism of Light in Moving Medium Based on the Fizeau Experiment Tony Yuan This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-7960122/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract This study focuses on an in-depth exploration of the characteristics of light propagation velocity in a moving medium. The traditional argumentation based on the relativistic velocity addition principle for the Fizeau experiment constitutes an approximate proof with certain limitations (where the medium's moving velocity v < < c). To overcome this dilemma, we have constructed a physical model distinct from the traditional relativistic velocity addition principle, taking into full consideration the wave-particle duality of light, particularly its particle-like nature. This model vividly illustrates the dynamic process of photon movement within the medium and the interactions between photons and medium molecules. Through this model, we can visually observe how photons exchange energy with the medium under the influence of an electric field and conduct an in-depth analysis of how changes in the relative velocities between photons and the electric field, as well as between photons and the medium, collectively affect the propagation velocity of light in the medium. It clearly presents the mechanical landscape of interactions among the electric field, photons, and the medium. To verify this physical model, we simulated the motion of a small ball within the medium using a computer, accurately calculating the ball's velocity and comparing it with the theoretical predictions based on the Fizeau experiment. The simulation results align perfectly with the theoretical predictions, strongly supporting the validity of our proposed model. This study innovatively provides a proof that does not require approximation, representing a significant breakthrough compared to the traditional approximate argumentation (where the medium's moving velocity v < < c) based on the relativistic velocity addition principle for the Fizeau experiment. This research deepens our understanding of the propagation velocity of light in a moving medium. The clear mechanical landscape facilitates the analysis and calculation of energy exchange between light and the medium, particularly offering new research perspectives and methods for application fields that require precise control of light energy. Astrophysics and Cosmology Moving medium Fizeau experiment Doppler effect Principle of relativistic velocity addition Photon Speed of light Ether Full Text Additional Declarations The authors declare no competing interests. Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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