Local-Band-Theory Analysis of Spin-Polarized, Angle-Resolved Photoemission Spectroscopy
- 9 July 1984
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 53 (2), 186-189
- https://doi.org/10.1103/physrevlett.53.186
Abstract
We present the local-band theory of the temperature dependence of up- and down-spin Green's functions in itinerant-electron ferromagnets. The results, calculated for a temperature-independent, local, exchange field strength, and under the assumption of the existence of short-range magnetic order, agree with recent measurements of angle-, energy-, and spin-resolved photoemission in nickel. States which contribute to the magnetization, not seen in the measurements, remain split in energy even at . Split states at are also expected in iron.
Keywords
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