SPIN WAVE ANALYSIS OF THE TWO-DIMENSIONAL HEISENBERG ANTIFERROMAGNETS Rb2MnCl4 AND (CH3NH3)2MnCl4

1978 ◽  
Vol 39 (C6) ◽  
pp. C6-753-C6-754
Author(s):  
B. Schröder ◽  
V. Wagner ◽  
N. Lehner ◽  
R. Geick
Keyword(s):  
Spin Wave ◽  
Two Dimensional ◽  
Wave Analysis ◽  
Heisenberg Antiferromagnets

Spin Wave Analysis of the Two-Dimensional Heisenberg Antiferromagnets Rb2MnCl4 and (CH3NH3)2MnCl4

1980 ◽  
Vol 97 (2) ◽  
pp. 501-511 ◽  
Author(s):  
B. Schröder ◽  
V. Wagner ◽  
N. Lehner ◽  
K. M. Kesharwani ◽  
R. Geick
Keyword(s):  
Spin Wave ◽  
Two Dimensional ◽  
Wave Analysis ◽  
Heisenberg Antiferromagnets

LOCAL MODES AROUND THE FERROMAGNETIC IMPURITIES IN THE TWO-DIMENSIONAL HEISENBERG ANTIFERROMAGNETS

2001 ◽  
Vol 15 (08) ◽  
pp. 243-251
Author(s):  
YUN SONG
Keyword(s):  
Spin Wave ◽  
Green's Function ◽  
Nearest Neighbor ◽  
Numerical Procedure ◽  
Two Dimensional ◽  
Local Modes ◽  
Spin Wave Excitations ◽  
Ferromagnetic Domains ◽  
Double Time ◽  
Heisenberg Antiferromagnets

The behaviors of the spin-wave excitations around the ferromagnetic impurities in the two-dimensional spin-1/2 Heisenberg antiferromagnets are investigated for the cases with one, two and four impurities respectively. By means of the double-time Green's function numerical procedure, it is found that, in the two impurity case, two ferromagnetic impurities prefer to form an effective singlet. While in the four impurity case we obtained that, two nearest-neighbor ferromagnetic domains with contrary spin directions are formed in the antiferromagnetic background, and thus the whole system has the lowest energy.

Spin-wave analysis in the two-dimensional antiferromagnetK2FeF4. I. Neutron scattering

1982 ◽  
Vol 25 (7) ◽  
pp. 4750-4764 ◽  
Author(s):  
M. P. H. Thurlings ◽  
E. Frikkee ◽  
H. W. de Wijn
Keyword(s):  
Neutron Scattering ◽  
Spin Wave ◽  
Two Dimensional ◽  
Wave Analysis

Spin-wave analysis in the two-dimensional antiferromagnetK2FeF4. II. Raman scattering

1982 ◽  
Vol 25 (7) ◽  
pp. 4765-4770 ◽  
Author(s):  
M. P. H. Thurlings ◽  
A. van der Pol ◽  
H. W. de Wijn
Keyword(s):  
Raman Scattering ◽  
Spin Wave ◽  
Two Dimensional ◽  
Wave Analysis

Multilayer Heisenberg models: linear spin wave analysis

1998 ◽  
Vol 190 (3) ◽  
pp. 321-331 ◽  
Author(s):  
Abdelilah Benyoussef ◽  
Abdelrhani Boubekri ◽  
Hamid Ez-Zahraouy
Keyword(s):  
Spin Wave ◽  
Wave Analysis ◽  
Heisenberg Models
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