کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8160305 | 1525104 | 2018 | 25 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Tripartite quantum correlations in the renormalized space of Heisenberg-Ising spinâ1â2 chain
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موضوعات مرتبط
مهندسی و علوم پایه
فیزیک و نجوم
فیزیک ماده چگال
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Tripartite quantum correlations in the renormalized space of Heisenberg-Ising spinâ1â2 chain Tripartite quantum correlations in the renormalized space of Heisenberg-Ising spinâ1â2 chain](/preview/png/8160305.png)
چکیده انگلیسی
The dynamics of tripartite entanglement and tripartite quantum discord in the superposition of the two degenerate ground states of the Heisenberg-Ising spin â1â2 chain with the increasing size of the system are studied through quantum renormalization group (QRG) technique. It is shown that although, both the correlations exhibit quantum phase transition in the thermodynamics limit, however, quantum discord is more sensitive to the size of the system. Unlike the bipartite case, the tripartite correlations are maximum when the Ising coupling between the spins dominates the Heisenberg coupling. Interestingly enough, it is found that the regions of entangled phase and product phase in the tripartite case are swapped with respect to the ones in the bipartite case.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 545, 15 September 2018, Pages 289-296
Journal: Physica B: Condensed Matter - Volume 545, 15 September 2018, Pages 289-296
نویسندگان
Salman Khan, Kalimullah Khan,