SPIN BACKFLOW IN THE VICINITY OF SPIN POLARONS IN THE T-J-MODEL

被引：0
|
作者：
RAMSAK, A [1 ]
HORSCH, P [1 ]
JAKLIC, J [1 ]
机构：
[1] MAX PLANCK INST FESTKORPERFORSCH,D-70569 STUTTGART,GERMANY
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1994年 / 235卷
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中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We investigate the spin backflow current in a spin-1/2 Heisenberg quantum antiferromagnet associated with the motion of a hole. The spin backflow is studied here with two different methods: (a) starting from the wave function of the hole-like quasiparticle obtained in the self-consistent Born approximation and (b) an approximation-free exact diagonalisation technique. Spin currents calculated analytically are in a good agreement with small cluster diagonalization studies.
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页码：2247 / 2248
页数：2
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