کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
8163375 1525220 2013 7 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Ionization induced by strong electromagnetic field in low dimensional systems bound by short range forces
ترجمه فارسی عنوان
یونیزاسیون ناشی از میدان الکترومغناطیسی شدید در سیستم های کم ابعاد محدود شده توسط نیروهای نیروی کم
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک ماده چگال
چکیده انگلیسی
Ionization processes for a two dimensional quantum dot subjected to combined electrostatic and alternating electric fields of the same direction are studied using quantum mechanical methods. We derive analytical equations for the ionization probability in dependence on characteristic parameters of the system for both extreme cases of a constant electric field and of a linearly polarized electromagnetic wave. The ionization probabilities for a superposition of dc and low frequency ac electric fields of the same direction are calculated. The impulse distribution of ionization probability for a system bound by short range forces is found for a superposition of constant and alternating fields. The total probability for this process per unit of time is derived within exponential accuracy. For the first time the influence of alternating electric field on electron tunneling probability induced by an electrostatic field is studied taking into account the pre-exponential term.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physica B: Condensed Matter - Volume 426, 1 October 2013, Pages 158-164
نویسندگان
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