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Heavy quasiparticles in the ferromagnetic superconductor ZrZn2.
- Source :
-
Physical review letters [Phys Rev Lett] 2003 Feb 07; Vol. 90 (5), pp. 057003. Date of Electronic Publication: 2003 Feb 06. - Publication Year :
- 2003
-
Abstract
- We report a study of the de Haas-van Alphen effect in the normal state of the ferromagnetic superconductor ZrZn2. Our results are generally consistent with a linear muffin-tin orbital band structure which predicts four exchange-split Fermi surface sheets. Quasiparticle effective masses are enhanced by a factor of 4.9 implying a strong coupling to magnetic excitations or phonons. ZrZn2 is unique among metallic ferromagnets in that it has a very large density of states in the ferromagnetic phase.
Details
- Language :
- English
- ISSN :
- 0031-9007
- Volume :
- 90
- Issue :
- 5
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 12633391
- Full Text :
- https://doi.org/10.1103/PhysRevLett.90.057003