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Chinese Physics B 2022年第7期31卷 490-497页

作者： Bin-Hao Du Man-Ni Chen Liang-Bin Hu Guangdong Provincial Key Laboratory of Quantum Engineering and Quantum Materials School of Physics and Telecommunication EngineeringSouth China Normal UniversityGuangzhou 510631China

We study theoretically Josephson effect in a planar ballistic junction between two triplet superconductors with pwave orbital symmetries and separated by a two-dimensional(2D)semiconductor channel with strong Rashba spin–orbit *** triplet superconductors,three types of orbital symmetries are *** use Bogoliubov–de Gennes formalism to describe quasiparticle propagations through the junction and the supercurrents are calculated in terms of Andreev reflection *** features of the variation of the supercurrents with the change of the strength of Rashba spin–orbit coupling are investigated in some *** is found that for the three types of orbital symmetries considered,both the magnitudes of supercurrent and the current-phase relations can be manipulated effectively by tuning the strength of Rashba spin–orbit *** interplay of Rashba spin–orbit coupling and Zeeman magnetic field on supercurrent is also investigated in some detail.

关键词： Josephson effect Rashba spin–orbit coupling triplet superconductor 0-πtransitions

Spontaneous Josephson spin current in triplet superconductor/ferromagnet/triplet superconductor junctions

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Chinese Physics B 2010年第6期19卷 477-481页

作者：徐茂杰窦晓鸣 Department of Physics Shanghai Jiao Tong University

This paper theoretically studies Josephson spin current through triplet superconductor/ferromagnet/triplet super- conductor junctions. At the ferromagnet/superconductor interfaces, the ferromagnetic scattering potential gives rise to coupling between the Andreev bound states and lifts their spin degeneracy. These spin-split Andreev states carry the Josephson spin current through the junctions. The generated spin supercurrent can be controlled by the magnetization of a ferromagnetic thin layer and bias voltage across the junctions.

关键词： triplet superconductor Andreev states Josephson spin current

Tunneling Conductance in Normal Metal/Insulator/triplet superconductor Junction

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Communications in Theoretical Physics 2005年第2X期44卷 381-384页

作者： LI Xiao-Wei Department of Physics Huaiyin Normal College Huaian 223001 China

Tunneling conductance in normal metal/insulator/triplet superconductor junctions is studied theoretically as a function of the bias voltage at zero temperature and finite temperature. The results show there are zero-bias conductance peak, zero-bias conductance dip and double-minimum structures in the spectra for p-wave superconductor junctions. The existence of such structures in the conductance spectrum can be taken as evidence that the pairing symmetry of Sr2RuO4 is p-wave symmetry.

关键词： triplet superconductor p-wave tunneling conductance

Topological Aspects of triplet superconductors

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Communications in Theoretical Physics 2007年第5期47卷 944-948页

作者： REN Ji-Rong XU Dong-Hui ZHANG Xin-Hui LI Ran Institute of Theoretical Physics Lanzhou University Lanzhou 730000 China

In this paper, using the Φ-mapping theory, it is shown that two kinds of topological defects, i.e., the vortex lines and the monopoles exist in the helical configuration of magnetic field in triplet superconductors. And the inner topological structure of these defects is studied. Because the knot solitons in the triplet superconductors are characterized by the Hopf invariant, we also establish a relationship between the Hopf invariant and the linking number of knots family, and reveal the inner topological structure of the Hopf invariant.

关键词： triplet superconductor topological defects Hopf invariant