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Title

Direct Observation of the Multisheet Fermi Surface in the Strongly Correlated Transition Metal Compound ZrZn2

Authors
Major, Zs.
Dugdale, S. B.
Watts, R. J.
Alam, M. A.
Hayden, S. M.
Duffy, J. A.
Taylor, J. W.
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Published in Physical Review Letters. 2004, vol. 92, no. 10, p. 107003
Abstract The existence of flat areas of a Fermi surface (FS), predicted by electronic structure calculations and used in models of both magnetically mediated and phonon-mediated Fulde-Ferrell-Larkin- Ovchinnikov superconducting states, is reported in the paramagnetic phase of the ferromagnetic superconductor ZrZn2 using positron annihilation. The strongly mass-renormalized FS sheet, dominating the Fermi level density of states, is seen for the first time. The delocalization of the magnetization is studied using measured and calculated magnetic Compton profiles.
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Research group Groupe Giamarchi
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MAJOR, Zs. et al. Direct Observation of the Multisheet Fermi Surface in the Strongly Correlated Transition Metal Compound ZrZn2. In: Physical Review Letters, 2004, vol. 92, n° 10, p. 107003. https://archive-ouverte.unige.ch/unige:35629

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Deposited on : 2014-04-14

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