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Valley polarization of Landau levels driven by residual strain in the ZrSiS surface band
Christopher J. Butler, Masayuki Murase, Shunki Sawada +6
In a multi-valley electronic band structure, lifting of the valley degeneracy is associated with rotational symmetry breaking in the electronic fluid, and may emerge through sponta…
Spin-orbit scattering visualized in quasiparticle interference
Y. Kohsaka, T. Machida, K. Iwaya +3
In the presence of spin-orbit coupling, electron scattering off impurities depends on both spin and orbital angular momentum of electrons -- spin-orbit scattering. Although some tr…
Observation of Zeeman effect in topological surface state with distinct material dependence
Ying-Shuang Fu, T. Hanaguri, K. Igarashi +3
The helical Dirac fermions on the surface of topological insulators host novel relativistic quantum phenomena in solids. Manipulating spins of topological surface state (TSS) repre…
Momentum-Resolved Landau-Level Spectroscopy of Dirac Surface State in Bi2Se3
T. Hanaguri, K. Igarashi, M. Kawamura +2
We investigate Dirac fermions on the surface of the topological insulator Bi2Se3 using scanning tunneling spectroscopy. Landau levels (LLs) are observed in the tunneling spectra in…