I recommend you to visit the address: https://chem.libretexts.org/Bookshelves/Physical_and_Theoretical_Chemistry_Textbook_Maps/Supplemental_Modules_(Physical_and_Theoretical_Chemistry)/Spectroscopy/Magnetic_Resonance_Spectroscopies/Electron_Paramagnetic_Resonance
My first doctoral work was on Causality (Causal Ubiquity) in Quantum Physics. I have suggested detailed solutions for the problem in the work. It was published in 2014 from Frankfurt, by Peter Lang. I believe a reading of this work would help you to formulate your positions. If you have questions of clarification and criticisms, feel free to contact. Incidentally, Prof. Babu Joseph, former Dean of Physics and former Vice-Chancellor of CUSAT, was my co-opted Guide for my second doctoral work.