کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1546739 | 997622 | 2007 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Structured environments in solid state systems: Crossover from Gaussian to non-Gaussian behavior
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موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Structured environments in solid state systems: Crossover from Gaussian to non-Gaussian behavior Structured environments in solid state systems: Crossover from Gaussian to non-Gaussian behavior](/preview/png/1546739.png)
چکیده انگلیسی
The variety of noise sources typical of the solid state represents the main limitation toward the realization of controllable and reliable quantum nanocircuits, as those allowing quantum computation. Such “structured environments” are characterized by a non-monotonous noise spectrum sometimes showing resonances at selected frequencies. Here we focus on a prototype structured environment model: a two-state impurity linearly coupled to a dissipative harmonic bath. We identify the time scale separating Gaussian and non-Gaussian dynamical regimes of the Spin-Boson impurity. By using a path-integral approach we show that a qubit interacting with such a structured bath may probe the variety of environmental dynamical regimes.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica E: Low-dimensional Systems and Nanostructures - Volume 40, Issue 1, October 2007, Pages 198–205
Journal: Physica E: Low-dimensional Systems and Nanostructures - Volume 40, Issue 1, October 2007, Pages 198–205
نویسندگان
E. Paladino, A.G. Maugeri, M. Sassetti, G. Falci, U. Weiss,