scholarly journals Modified Spin-Wave Theory of Nuclear Magnetic Relaxation in One-Dimensional Quantum Ferrimagnets: Three-Magnon versus Raman Processes

2005 ◽  
Vol 74 (Suppl) ◽  
pp. 75-79
Author(s):  
Shoji Yamamoto ◽  
Hiromitsu Hori
2020 ◽  
Vol 102 (13) ◽  
Author(s):  
Wang Yang ◽  
Alberto Nocera ◽  
Ian Affleck

2010 ◽  
Vol 200 (1) ◽  
pp. 012061 ◽  
Author(s):  
Akihiko Hisada ◽  
Naoki Fujiwara ◽  
Kenichiro Tatsumi ◽  
Touru Yamauchi ◽  
Yutaka Ueda

1989 ◽  
Vol 1 (35) ◽  
pp. 6131-6144
Author(s):  
D H Jones ◽  
Q A Pankhurst ◽  
M F Thomas ◽  
C E Johnson

2019 ◽  
Vol 33 (11) ◽  
pp. 1950106
Author(s):  
Yun Liao ◽  
Yuan Chen ◽  
Ji Pei Chen ◽  
Wen An Li

The modified spin-wave theory is used to investigate the one-dimensional Heisenberg ferromagnet with the nearest-neighbor (NN) and next-nearest-neighbor (NNN) exchange anisotropies. The ground-state and low-temperature properties of the system are studied within the self-consistent method. It is found that the effect of the NN anisotropy on the thermodynamic quantities is stronger than that of the NNN anisotropy in the low-temperature region. The anisotropy dependence behaviors (such as the power, exponential and linear laws) are obtained for the position and the height of the maximum of the specific heat and its coefficient, as well as the susceptibility coefficient. The specific heat and its coefficient both display the low-temperature double maxima which are induced by the anisotropies and the NNN interaction. In the very low temperatures the specific heat and the susceptibility behave severally as T[Formula: see text] and T[Formula: see text] at the critical point J2/J1 = −0.25, where J1 and J2 are the NN and NNN interactions, respectively.


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