The ground state of 1D S = 1 XXZ model is studied. It is found that its correlation function corresponds to the modified Bessel function at λ =1, and the same transition as 2D Ising model occurs at λc >1. Quasi-1D interchain interactions also yield an order-disorder transition.
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics