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First-principles relativistic theory of the magnetic response of paramagnetic metals: Application to yttrium and scandium
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UNSPECIFIED (2003) First-principles relativistic theory of the magnetic response of paramagnetic metals: Application to yttrium and scandium. PHYSICAL REVIEW B, 68 (13). -. doi:10.1103/PhysRevB.68.134412 ISSN 1098-0121.
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Official URL: http://dx.doi.org/10.1103/PhysRevB.68.134412
Abstract
We describe a first-principles theoretical formalism for the magnetic response of paramagnetic metals in which all relativistic effects such as spin-orbit coupling are included. In particular, the easy axis and dependence upon wave vector q of the paramagnetic spin susceptibility chi(q) can be calculated. To illustrate we apply the method to two transition metals, yttrium and scandium. In each case we find chi(q) to peak at a wave vector q=(0,0,0.57)pi/c, coincident with a Fermi surface nesting vector, and to have an easy axis perpendicular to q. Since chi(q) plays a key role in determining the interaction between magnetic impurities in these metals, these results are consistent with the helical antiferromagnetic order found in many dilute rare-earth Y alloys. Conversely, the easy axis for the response to a uniform magnetic field, q=0, lies along the c axis.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | PHYSICAL REVIEW B | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 1098-0121 | ||||
Official Date: | 1 October 2003 | ||||
Dates: |
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Volume: | 68 | ||||
Number: | 13 | ||||
Number of Pages: | 5 | ||||
Page Range: | - | ||||
DOI: | 10.1103/PhysRevB.68.134412 | ||||
Publication Status: | Published |
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