The paper describes the disturbance of the atomic state (planetary system of electrons and nucleons) under the influence of molecular interactions. The analysis is carried out with relation to Cosserat mechanics. The interpretation of the polar rotation in atomic scale is defined using classical mechanics and quantum mechanics. Transition to the continuum scale is performed with the application of statistical mechanics. Finally, the formula describing the macroscopic polar rotation referring to the atomic scale is obtained. Introducing an equivalent magnetic state, it was proposed to measure polar rotation using resonance spectroscopy EPR and NMR. In addition, the modulation of the light wave passing through the material by optically active electrons/nucleons is described and an optical parameter for measurement of the polar rotation in continuum scale is formulated. The results of the experiment carried out in the EPR spectrometer are presented to confirm the theoretical analysis. An attempt was made to determine quantitative Cosserat elasticity parameters as: the polar rotation, interaction torque, interaction force, couple stress and force stress in an epoxy nanocomposite based on quantitative EPR measurements.
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