کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
10728665 1038091 2014 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Coherent nonlinear quantum model for composite fermions
ترجمه فارسی عنوان
مدل کوانتومی غیر خطی منسجم برای فرمیون های کامپوزیت
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک و نجوم (عمومی)
چکیده انگلیسی
Originally proposed by Read [1] and Jain [2], the so-called “composite-fermion” is a phenomenological quasi-particle resulting from the attachment of two local flux quanta, seen as nonlocal vortices, to electrons situated on a two-dimensional (2D) surface embedded in a strong orthogonal magnetic field. In this Letter this phenomenon is described as a highly-nonlinear and coherent mean-field quantum process of the soliton type by use of a 2D stationary Schrödinger-Poisson differential model with only two Coulomb-interacting electrons. At filling factor ν=13 of the lowest Landau level the solution agrees with both the exact two-electron antisymmetric Schrödinger wavefunction and with Laughlin's Jastrow-type guess for the fractional quantum Hall effect, hence providing this latter with a tentative physical justification deduced from the experimental results and based on first principles.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters A - Volume 378, Issue 21, 11 April 2014, Pages 1566-1570
نویسندگان
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