کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1864202 1530584 2014 4 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Magnetic field dependent electronic Raman response of cuprate superconductors
ترجمه فارسی عنوان
پاسخ الکترومغناطیسی الکترونهای وابسته به ابررساناهای کوپرات
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک و نجوم (عمومی)
چکیده انگلیسی


• We study the effect of high magnetic field on the electronic Raman response of heavy hole doped cuprates.
• We show the energy of the pair breaking peak softens as the magnetic field increases.
• We show the density of Cooper pairs is decreasing as the magnetic field is increased.
• The decrease of the density of Cooper pairs in the magnetic field is nonlinear.

The theory of electronic Raman scattering in cuprate superconductors based on the t–J   model is evolved to describe the magnetic field dependent electronic Raman response. The magnetic field dependence of Raman response in the overdoped regime is studied at different doping cases. The results show that the peak and intensity in the B1gB1g and B2gB2g symmetry give depletion as the magnetic field increased. We indicate the decrease of the superconducting order parameter Δ under the magnetic field. The overall density of Cooper pairs is also investigated and yields suppression with the increase of the magnetic fields.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters A - Volume 378, Issues 18–19, 28 March 2014, Pages 1309–1312
نویسندگان
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