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On Obtaining the Exact Green's Function Solution for the Two-Spin-1/2Heisenberg Ferromagnet

 

作者: J. O. Lawson,   S. J. Brient,  

 

期刊: American Journal of Physics  （AIP Available online 1972）
卷期: Volume 40, issue 11  

页码: 1643-1646

 

ISSN:0002-9505

 

年代: 1972

 

DOI:10.1119/1.1987003

 

出版商: American Association of Physics Teachers

 

数据来源: AIP

 

摘要:

A method is outlined for obtaining the exact Green's function solutions for the two-spin-1/2Heisenberg ferromagnet utilizing commutator and anticommutator Green's functions. It is observed that the exact solutions can be obtained much more easily and readily when utilizing anticommutator Green's functions than when utilizing commutator Green's functions.

 

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