کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
976333 933108 2009 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Entanglement dynamics of a three-qubit system interacting with a quantum spin environment
موضوعات مرتبط
مهندسی و علوم پایه ریاضیات فیزیک ریاضی
پیش نمایش صفحه اول مقاله
Entanglement dynamics of a three-qubit system interacting with a quantum spin environment
چکیده انگلیسی

We investigate the entanglement dynamics and decoherence of a three-qubit system under a quantum spin environment at a finite temperature in the thermodynamics limit. For the case under study, we find the evolution of pairwise entanglement depends not only on the initial states but also on the parameters related to the system and the spin environment. In addition, an undesirable entanglement sudden death occurs in the process of entanglement evolution, and this effect can be controlled by the coupling constant between two qubits, external magnetic field, and the interaction between the system and the environment.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica A: Statistical Mechanics and its Applications - Volume 388, Issue 17, 1 September 2009, Pages 3667–3674
نویسندگان
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