Theory of photoemission in the Hubbard model for Bi2Sr2CaCu2O8

被引:7
作者
Dahm, T
Manske, D
Tewordt, L
机构
[1] Abteilung für Theoretische Festkörperphysik, Universität Hamburg, D-20355 Hamburg
来源
PHYSICAL REVIEW B | 1996年 / 54卷 / 01期
关键词
D O I
10.1103/PhysRevB.54.602
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The quasiparticle spectral function is calculated for the 2D Hubbard model of Bi2212 with n similar to 0.9. For momenta k > k(F) we obtain dips and satellite peaks at energies omega < 0 which are caused by strong scattering of quasiparticles on antiferromagnetic spin fluctuations. These structures, which may be observable, become very pronounced below T-c, even for momenta k lying along the node of the d(x2-y2) wave gap. For k along the antinode of the gap we obtain below T-c a shift of the quasiparticle peak and a dip in qualitative agreement with ARPES measurements on Bi2212.
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页码:602 / 605
页数:4
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