Renormalization Group Theory : Impact on Experimental Magnetism
Spin wave theory of magnetism and BCS theory of superconductivity are typical theories of the time before renormalization group (RG) theory. The two theories consider atomistic interactions only and ignore the energy degrees of freedom of the continuous (infinite) solid. Since the pioneering work of...
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| Autori principali: | , |
|---|---|
| Natura: | Livre numérique |
| Lingua: | Anglais |
| Pubblicazione: |
Berlin, Heidelberg :
Springer Berlin Heidelberg : Springer e-books
[20..].
Cham : Springer Nature |
| Serie: | Springer Series in Materials Science
127 |
| Accesso online: | Accès sur la plateforme de l'éditeur Accès sur la plateforme Istex Accès Université d'Orléans Accès INSA CVL |
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Archives Springer e-books (Licence nationale) Archives Springer e-books (Licence nationale) |
| Autres localisations: | Voir dans le Sudoc |
| Edition sous un autre format: | • Renormalization group theory, impact on experimental magnetism, Ulrich Köbler, Andreas Hoser, Heidelberg, Springer, 2010, 1 vol. (XIII-394 p.), Springer series in materials science, 978-3-642-02486-3 |
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| 100 | 1 | |a Köbler, Ulrich. | |
| 245 | 1 | 0 | |a Renormalization Group Theory : |b Impact on Experimental Magnetism |c by Ulrich Köbler, Andreas Hoser. |
| 260 | |a Berlin, Heidelberg : |b Springer Berlin Heidelberg : |b Springer e-books. | ||
| 260 | |a Cham : |b Springer Nature, |c [20..]. | ||
| 490 | 0 | |a Springer Series in Materials Science |v 127 |x 0933-033X | |
| 500 | |a Archives Springer e-books (Licence nationale) | ||
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| 505 | 1 | |a History of Conventional Spin Wave Theory Basic Issues of Renormalization Group (RG) Theory Universality Microscopic Processes Non-Relevant Magnons Crossover Phenomena Metastability of Universality Classes Relevant and Non-Relevant Interactions Temperature Dependence of the Magnon Excitation Spectra Magnetic Heat Capacity Experimental Verification of GSW Bosons Magnets With and Without Magnon Gap (Goldstone Mode) Microscopic Details: Spin Structure, Site Disorder, Two Order Parameters The Critical Magnetic Behaviour Thermal Lattice Expansion and Magnetostriction The Total Energy Content Superconductivity Conclusions | |
| 506 | |a Accès en ligne pour les établissements français bénéficiaires des licences nationales | ||
| 506 | |a Accès soumis à abonnement pour tout autre établissement | ||
| 506 | |a Conditions particulières de réutilisation pour les bénéficiaires des licences nationales. https://www.licencesnationales.fr/springer-nature-ebooks-contrat-licence-ln-2017 | ||
| 520 | |a Spin wave theory of magnetism and BCS theory of superconductivity are typical theories of the time before renormalization group (RG) theory. The two theories consider atomistic interactions only and ignore the energy degrees of freedom of the continuous (infinite) solid. Since the pioneering work of Kenneth G. Wilson (Nobel Prize of physics in 1982) we know that the continuous solid is characterized by a particular symmetry: invariance with respect to transformations of the length scale. Associated with this symmetry are particular field particles with characteristic excitation spectra. In diamagnetic solids these are the well known Debye bosons. This book reviews experimental work on solid state physics of the last five decades and shows in a phenomenological way that the dynamics of ordered magnets and conventional superconductors is controlled by the field particles of the infinite solid and not by magnons and Cooper pairs, respectively. In the case of ordered magnets the relevant field particles are called GSW bosons after Goldstone, Salam and Weinberg and in the case of superconductors the relevant field particles are called SC bosons. One can imagine these bosons as magnetic density waves or charge density waves, respectively. Crossover from atomistic exchange interactions to the excitations of the infinite solid occurs because the GSW bosons have generally lower excitation energies than the atomistic magnons. According to the principle of relevance the dynamics is governed by the excitations with the lowest energy. The non relevant atomistic interactions with higher energy are practically unimportant for the dynamics | ||
| 700 | 1 | |a Hoser, Andreas. |4 aut | |
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