Physics – Quantum Physics
Scientific paper
2003-11-21
J. Phys. A: Math. Gen. 37 (2004) 11475-11483
Physics
Quantum Physics
10 pages and 2 figures, published version
Scientific paper
10.1088/0305-4470/37/47/016
We show that the generalized Bell inequality is violated in the extended
Heisenberg model when the temperature is below a threshold value. The threshold
temperature values are obtained by constructing exact solutions of the model
using the temperature-dependent correlation functions. The effect due to the
presence of external magnetic field is also illustrated.
Chen Jing-Ling
Kwek Leong Chuan
Oh Chang-Heon
Tong Dian-Min
Wu Chunfeng
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