Theory of lattice softening and spin-susceptibility in A15-compounds |
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| Authors: | W Dieterich W Klose |
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| Institution: | 1. Institut für Theoretische Festk?rperphysik der Universit?t des Saarlandes Saarbrücken, Germany
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| Abstract: | The one-dimensional model of A15-compounds is used to calculate phonon frequencies Ωλ (q) from temperature dependent screening properties of the electron system. The interrelationship between the magnetic susceptibility χ(q) and Ωλ (q) is derived and both quantities are studied in the longwavelength limit ¦q¦=0 and for ¦q¦=2 ·k itF. Numerical values are obtained for V3Si and Nb3Sn. |
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