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Antiadiabatic Theory of Superconducting State Transition : Phonons and Strong Electron Correlations—The Old Physics and New Aspects
المؤلف
المصدر
Advances in Condensed Matter Physics
العدد
المجلد 2010، العدد 2010 (31 ديسمبر/كانون الأول 2010)، ص ص. 1-36، 36ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2009-12-24
دولة النشر
مصر
عدد الصفحات
36
التخصصات الرئيسية
الملخص EN
Complex electronic ground state of molecular and solid state system is analyzed on the ab initio level beyond the adiabatic Born-Oppenheimer approximation (BOA).
The attention is focused on the band structure fluctuation (BSF) at Fermi level, which is induced by electron-phonon coupling in superconductors, and which is absent in the non-superconducting analogues.
The BSF in superconductors results in breakdown of the adiabatic BOA.
At these circumstances, chemical potential is substantially reduced and system is stabilized (effect of nuclear dynamics) in the antiadiabatic state at broken symmetry with a gap(s) in one-particle spectrum.
Distorted nuclear structure has fluxional character and geometric degeneracy of the antiadiabatic ground state enables formation of mobile bipolarons in real space.
It has been shown that an effective attractive e-e interaction (Cooper-pair formation) is in fact correction to electron correlation energy at transition from adiabatic into antiadiabatic ground electronic state.
In this respect, Cooper-pair formation is not the primary reason for transition into superconducting state, but it is a consequence of antiadiabatic state formation.
It has been shown that thermodynamic properties of system in antiadiabatic state correspond to thermodynamics of superconducting state.
Illustrative application of the theory for different types of superconductors is presented.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Baňacký, Pavol. 2009. Antiadiabatic Theory of Superconducting State Transition : Phonons and Strong Electron Correlations—The Old Physics and New Aspects. Advances in Condensed Matter Physics،Vol. 2010, no. 2010, pp.1-36.
https://search.emarefa.net/detail/BIM-496003
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Baňacký, Pavol. Antiadiabatic Theory of Superconducting State Transition : Phonons and Strong Electron Correlations—The Old Physics and New Aspects. Advances in Condensed Matter Physics No. 2010 (2010), pp.1-36.
https://search.emarefa.net/detail/BIM-496003
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Baňacký, Pavol. Antiadiabatic Theory of Superconducting State Transition : Phonons and Strong Electron Correlations—The Old Physics and New Aspects. Advances in Condensed Matter Physics. 2009. Vol. 2010, no. 2010, pp.1-36.
https://search.emarefa.net/detail/BIM-496003
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-496003
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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