Zobrazeno 1 - 10
of 1 375
pro vyhledávání: '"topologically protected surface states"'
Publikováno v:
ACS Nano 14, 1158 (2020)
Spectroscopy of discrete Landau levels (LLs) in bulk-insulating three-dimensional topological insulators (3D TIs) in perpendicular magnetic field characterizes the Dirac nature of their surface states. Despite a number of studies demonstrating the qu
Externí odkaz:
http://arxiv.org/abs/1912.04433
Publikováno v:
Phys. Rev. B 98, 075433 (2018)
We study the optical properties of bi-anisotropic optical waveguides with nontrivial topological structure in wavevector space, placed in an ordinary dielectric matrix. We derive an exact analytical description of the eigenmodes of the systems with a
Externí odkaz:
http://arxiv.org/abs/1802.02421
Autor:
Wang, Bao-Tian, Margine, Elena R.
Publikováno v:
J. Phys.: Condens. Matter, 29, 325501 (2017)
The recent discovery of topologically protected surface states in the noncentrosymmetric $\alpha$-BiPd and the centrosymmetric $\beta$-Bi$_{2}$Pd has renewed the interest in the Bi-Pd family of superconductors. Here, we employ first-principles calcul
Externí odkaz:
http://arxiv.org/abs/1701.01846
Akademický článek
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The topological aspects of electrons in solids emerge in realistic matters as represented by topological insulators. They are expected to show a variety of new magneto-electric phenomena, and especially the ones hosting superconductivity are strongly
Externí odkaz:
http://arxiv.org/abs/1505.07231
Autor:
Zhu, Kai, Wu, Lin, Gong, Xinxin, Xiao, Shunhao, Li, Shiyan, Jin, Xiaofeng, Yao, Mengyu, Qian, Dong, Wu, Meng, Feng, Ji, Niu, Qian, de Juan, Fernando, Lee, Dung-Hai
Quantum transport measurements including the Altshuler-Aronov-Spivak (AAS) and Aharonov-Bohm (AB) effects, universal conductance fluctuations (UCF), and weak anti-localization (WAL) have been carried out on epitaxial Bi thin films ($10-70$ bilayers)
Externí odkaz:
http://arxiv.org/abs/1403.0066
Publikováno v:
Phys. Rev. B 88, 201105(R) (2013)
Three-dimensional (3D) topological insulators in general need to be protected by certain kinds of symmetries other than the presumed $U(1)$ charge conservation. A peculiar exception is the Hopf insulators which are 3D topological insulators character
Externí odkaz:
http://arxiv.org/abs/1307.7206
Bulk Bi2Te3 is known to be a topological insulator. We investigate surface states of Bi2Te3(111) thin films using density-functional theory including spin-orbit coupling. We construct a method to unambiguously identify surface states of thin film top
Externí odkaz:
http://arxiv.org/abs/1005.3476
Autor:
Alpichshev, Zhanybek, Analytis, J. G., Chu, J. -H., Fisher, I. R., Chen, Y. L., Shen, Z. X., Fang, A., Kapitulnik, A.
Publikováno v:
Phys. Rev. Lett 104, 016401 (2010)
Scanning tunneling spectroscopy studies on high-quality Bi$_2$Te$_3$ crystals exhibit perfect correspondence to ARPES data, hence enabling identification of different regimes measured in the local density of states (LDOS). Oscillations of LDOS near a
Externí odkaz:
http://arxiv.org/abs/0908.0371
Akademický článek
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