Zobrazeno 1 - 10
of 1 103
pro vyhledávání: '"PSEUDOSPIN"'
Publikováno v:
Frontiers in Materials, Vol 11 (2024)
Acoustic topological insulators have the excellent characteristic of the pseudospin-dependent one-way transmission of sound edge states immune to backscattering. We realize the broadband acoustic pseudospin topological edge states with subwavelength
Externí odkaz:
https://doaj.org/article/16f798054010418580e1b40e14edfc51
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-9 (2024)
Abstract As we know, valley-Hall kink states or pseudospin helical edge states are excited by polarized-momentum-locking [left-handed circular polarization (LCP) and right-handed circular polarization (RCP)] because the valley-Hall kink modes or pseu
Externí odkaz:
https://doaj.org/article/55f32ce683764d4b850fa23db4b22e1b
Publikováno v:
Frontiers in Materials, Vol 11 (2024)
Zero-refractive index metamaterials have a wide range of applications in directional transmission and wave-front shaping due to their unusual acoustic properties. However, for most given acoustic topological metamaterials, the operating frequency is
Externí odkaz:
https://doaj.org/article/2ac68ba2363642eeba6eefae76699ba4
Autor:
Xiangdong Li, Tong Tong, Xiaopeng Fan, Minru Qi, Shen Wang, Guofeng Zhang, Ruiyun Chen, Jianyong Hu, Zhichun Yang, Ganying Zeng, Chengbing Qin, Liantuan Xiao, Suotang Jia
Publikováno v:
Advanced Photonics Research, Vol 5, Iss 10, Pp n/a-n/a (2024)
In the emerging field of valleytronics, it is aimed to coherently manipulate the valley pseudospin as an information‐bearing degree of freedom. The 2D transition‐metal dichalcogenides (TMDCs) provide a unique possibility to generate an excitonic
Externí odkaz:
https://doaj.org/article/92c19d5f875b4aa69629e1f05b915ed7
Autor:
C. A. Onate, I. B. Okon, E. Omugbe, A. Basem, B. F. Castillo Parra, K. O. Emeje, J. A. Owolabi, A. R. Obasuyi
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-12 (2024)
Abstract The approximate solutions of the Dirac equation for spin symmetry and pseudospin symmetry are studied with a coshine Yukawa potential model via the traditional supersymmetric approach (SUSY). To remove the degeneracies in both the spin and p
Externí odkaz:
https://doaj.org/article/9634e344af3e4bcf92113be7de1e8652
Akademický článek
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Autor:
Ting-Ting Sun, Zhi Pan Li
Publikováno v:
Physics Letters B, Vol 854, Iss , Pp 138721- (2024)
As a continuation of our previous work on the conservation and breaking of the pseudospin symmetry (PSS) in resonant states [Phys. Lett. B 847, 138320 (2023)], in this work, the PSS in nuclear single-particle bound and resonant states are investigate
Externí odkaz:
https://doaj.org/article/dab22274fd984baf8cf64c07c6d0f799
Publikováno v:
Physics Letters B, Vol 847, Iss , Pp 138320- (2023)
Pseudospin symmetry (PSS) is a relativistic dynamical symmetry connected with the lower component of the Dirac spinor. Here, we investigate the conservation and breaking of PSS in the single-nucleon resonant states, as an example, using Green's funct
Externí odkaz:
https://doaj.org/article/bd43d35e24004e7a8fb33c3bc4cc6dc7
Publikováno v:
Nanomaterials, Vol 14, Iss 11, p 919 (2024)
We propose a controllable topological add-drop filter based on magnetic–optical photonic crystals. This add-drop filter is composed of two straight waveguides and a hexagonal photonic crystal ring resonator. The waveguide and ring resonator are con
Externí odkaz:
https://doaj.org/article/e235f6ccdc5a4f9094af1ee48bd5ad25
Autor:
Guangxu Su, Jiangle He, Xiaofei Ye, Hengming Yao, Yaxuan Li, Junzheng Hu, Minghui Lu, Peng Zhan, Fanxin Liu
Publikováno v:
Nanomaterials, Vol 14, Iss 10, p 885 (2024)
The combination of higher-order topological insulators and valley photonic crystals has recently aroused extensive attentions due to the great potential in flexible and efficient optical field manipulations. Here, we computationally propose a photoni
Externí odkaz:
https://doaj.org/article/a0cd8199531b46c2bbc53cf205987266