دراسة اهتزاز موجة الكثافة لسائل كوانتي بتابعية بارامترات لانداو من المرتبة

Authors

  • محمود أحمد
  • نجاح قبلان

Abstract

تمّ إيجاد الصّيغ الموحية لاهتزاز موجة الكثافة لسائل كوانتي مكوّن من فيرميونات ذات سبين كسري في إطار نظرية لانداو ومعاملاته  في سائل فيرفي.اعتماداً على المعادلة الحركيّة الناتجة عن معادلة بولتزمان – لانداو لإيجاد سرعة الصّوت في ذلك السائل، وضمن المجال اللاتصادمي  [ ]،وتحت تأثير حقل كهرطيسي خارجي. تمّ مقارنة نتائجنا مع ما توصل إليه عدد من الباحثين لحساب تلك السرعة بتابعية ( )،وذلك لبيان مدى تأثير ذلك الحقل على سرعة اهتزاز موجة الصّوت في الأوساط الحقيقية.

We found the vibration wave density formula of quantum liquid formed of quasi- particles fermionic system in Landaau parameters ( ) frame. This depends on the kinetic equation produced from Boltzmann – Landau equation, to find the sound – wave through that liquid and in non- colliding field ( ) and under external electromagnetic field.

We compared our results with the previous works for the sound – speed calculation as a function of  parameters to find the effect of that field on the sound – wave-vibrational velocity, in the real – media.

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Published

2016-06-17

How to Cite

1.
أحمد م, قبلان ن. دراسة اهتزاز موجة الكثافة لسائل كوانتي بتابعية بارامترات لانداو من المرتبة. TUJ-BA [Internet]. 2016Jun.17 [cited 2024Nov.24];37(2). Available from: https://journal.tishreen.edu.sy/index.php/bassnc/article/view/1510

Issue

Vol. 37 No. 2 (2015): العلوم الأساسية

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Articles

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