تقرير
Theory of tunneling spectroscopy in $p$-wave altermagnet-superconductor hybrid structures
| العنوان: | Theory of tunneling spectroscopy in $p$-wave altermagnet-superconductor hybrid structures |
|---|---|
| المؤلفون: | Maeda, Kazuki, Lu, Bo, Yada, Keiji, Tanaka, Yukio |
| سنة النشر: | 2024 |
| المجموعة: | Condensed Matter |
| مصطلحات موضوعية: | Condensed Matter - Superconductivity, Condensed Matter - Mesoscale and Nanoscale Physics |
| الوصف: | We theoretically study the tunneling conductance of a junction consisting of a two-dimensional $p$-wave altermagnet (AM) and a superconductor (SC) for various pairing symmetries. The zero bias conductance peaks arising from the dispersionless surface Andreev bound states (SABSs) in $d_{xy}$-wave and $p_{x}$-wave superconductor junctions are insensitive against varying the altermagnetic spin-splitting strength $\alpha _{y}$. Moreover, for chiral $p$- or chiral $d$-wave SCs, zero bias conductance shows a non-monotonic change as a function of $\alpha_{y}$ indicating the existence of the dispersive SABSs. Our obtained results of tunneling spectroscopy based on a $p$-wave AM serve as an effective way for the identification of the pairing symmetries of unconventional superconductors. It is noted that our used Hamiltonian of AM is also available for persistent spin helix systems. Comment: 37 pages, 23 figures |
| نوع الوثيقة: | Working Paper |
| URL الوصول: | http://arxiv.org/abs/2403.17482 |
| رقم الأكسشن: | edsarx.2403.17482 |
| قاعدة البيانات: | arXiv |
| الوصف غير متاح. |