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Symmetry and Higher Superconductivity in the Lower Elements.
- Source :
- Symmetry & Heterogeneity in High Temperature Superconductors; 2006, p3-20, 18p
- Publication Year :
- 2006
-
Abstract
- At one atmosphere 29 elements are classified as superconductors; at high pressures there are to date an additional 23, many of these being drawn from the lighter elements. The number of superconductors for the elements in combination appears to be illimitable. Observed symmetries in these systems generally include orderings in both nuclear and electronic degrees of freedom. The fluctuations impelling order in the electron sub-system include those originating with the nuclear degrees of freedom but also with the electrons themselves, both itinerant and localized. For the elements in combination coherent multipole fluctuations in localized states may arise, and the relative contributions of such excitations to electron-pairing is then of some especial interest. When the elements are placed in combination the effects of external pressure may be replicated in part by an equivalent internal pressure, this resulting from a form of chemical pre-compression. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISBNs :
- 9781402039874
- Database :
- Supplemental Index
- Journal :
- Symmetry & Heterogeneity in High Temperature Superconductors
- Publication Type :
- Book
- Accession number :
- 25995669
- Full Text :
- https://doi.org/10.1007/1-4020-3989-11