HEISENBERG ANTIFERROMAGNETIC CHAIN of SPIN S=1

1994 ◽  
Vol 05 (02) ◽  
pp. 259-261
Author(s):  
O. GOLINELLI ◽  
Th. JOLICOEUR ◽  
R. LACAZE

The Heisenberg antiferromagnetic chain of spin 1 with the most general single ion anisotropy is numerically analyzed. Chains of length up to 22 sites are studied by a Lanczös method and up to 32 sites with a quantum Monte Carlo. Gaps, magnetic excitations, dynamical properties and magnetic field behaviour are obtained. The recent neutron scattering experiments on the quasi one-dimensional antiferromagnet NENP are fully explained by our results.

1986 ◽  
Vol 55 (8) ◽  
pp. 2846-2852 ◽  
Author(s):  
Hiroaki Kadowaki ◽  
Koji Ubukoshi ◽  
Kinshiro Hirakawa ◽  
David P. Belanger ◽  
Hideki Yoshizawa ◽  
...  

2016 ◽  
Vol 845 ◽  
pp. 158-161
Author(s):  
S.J. Lamekhov ◽  
Dmitry A. Kuzmin ◽  
Igor V. Bychkov ◽  
I.A. Maltsev ◽  
V.G. Shavrov

Behavior of quasi-one-dimensional multiferoic Ca3CoMnO6 in external magnetic field was investigated. Modelling by Monte Carlo method was performed to show influence of external magnetic field on appearance of polarization and temperature of phase transition in electric subsystem. Magnetization, polarization and energy components for magnetic and electric subsystems dependencies were achieved for different values of external magnetic field. Modelling showed that periodic potential in form of Frenkel-Kontorova makes influence on maximal values and temperature of phase transitions for magnetization and polarization.


1993 ◽  
Vol 48 (14) ◽  
pp. 10227-10239 ◽  
Author(s):  
J. Deisz ◽  
M. Jarrell ◽  
D. L. Cox

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