{"title":"On the Application of the New Spin Exchange Paradigm to Numerical Modeling of EPR Spectra","authors":"S. O. Travin, K. M. Salikhov","doi":"10.1007/s00723-025-01793-w","DOIUrl":null,"url":null,"abstract":"<div><p>The shape of the EPR spectrum in conditions when spin exchange is an essential feature of the spin system contains peculiar information about molecular mobility. The mathematical model of such systems is the paradigm of collective modes developed by Kev Salikhov in the last 10 or more years (Molin et al., Spin Exchange: Principles and Applications in Chemistry and Biology, Springer-Verlag, New York, 1980; Salikhov, Appl. Magn. Reson. 47:1207–1227, 2016; Salikhov, UFN 189:1017–1043, 2019). Our task was to extract the quantitative parameters of this model from experimentally obtained spectra and correlate them with the physical characteristics of the environment in which the measurements were taken. Thus, our idea, if successfully developed, can be used to determine the characteristics of molecular dynamics in a wide variety of objects, such as membranes, glasses, colloidal systems, semiconductors, and superconductors.</p></div>","PeriodicalId":469,"journal":{"name":"Applied Magnetic Resonance","volume":"56 :","pages":"1163 - 1180"},"PeriodicalIF":1.3000,"publicationDate":"2025-08-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Applied Magnetic Resonance","FirstCategoryId":"101","ListUrlMain":"https://link.springer.com/article/10.1007/s00723-025-01793-w","RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"PHYSICS, ATOMIC, MOLECULAR & CHEMICAL","Score":null,"Total":0}
引用次数: 0
Abstract
The shape of the EPR spectrum in conditions when spin exchange is an essential feature of the spin system contains peculiar information about molecular mobility. The mathematical model of such systems is the paradigm of collective modes developed by Kev Salikhov in the last 10 or more years (Molin et al., Spin Exchange: Principles and Applications in Chemistry and Biology, Springer-Verlag, New York, 1980; Salikhov, Appl. Magn. Reson. 47:1207–1227, 2016; Salikhov, UFN 189:1017–1043, 2019). Our task was to extract the quantitative parameters of this model from experimentally obtained spectra and correlate them with the physical characteristics of the environment in which the measurements were taken. Thus, our idea, if successfully developed, can be used to determine the characteristics of molecular dynamics in a wide variety of objects, such as membranes, glasses, colloidal systems, semiconductors, and superconductors.
期刊介绍：
Applied Magnetic Resonance provides an international forum for the application of magnetic resonance in physics, chemistry, biology, medicine, geochemistry, ecology, engineering, and related fields.
The contents include articles with a strong emphasis on new applications, and on new experimental methods. Additional features include book reviews and Letters to the Editor.
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