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|Title:||Quantum nonlocality of Heisenberg XX model with site-dependent coupling strength|
|Authors:||Wu, C. |
|Source:||Wu, C., Chen, J.-L., Tong, D.M., Kwek, L.C., Oh, C.H. (2004-11-26). Quantum nonlocality of Heisenberg XX model with site-dependent coupling strength. Journal of Physics A: Mathematical and General 37 (47) : 11475-11483. ScholarBank@NUS Repository. https://doi.org/10.1088/0305-4470/37/47/016|
|Abstract:||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 an external magnetic field is also illustrated.|
|Source Title:||Journal of Physics A: Mathematical and General|
|Appears in Collections:||Staff Publications|
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