scholarly journals Light-induced anomalous Hall effect in massless Dirac fermion systems and topological insulators with dissipation

2019 ◽  
Vol 21 (9) ◽  
pp. 093005 ◽  
Author(s):  
S A Sato ◽  
P Tang ◽  
M A Sentef ◽  
U De Giovannini ◽  
H Hübener ◽  
...  
Keyword(s):  
Hall Effect ◽  
Topological Insulators ◽  
Anomalous Hall Effect ◽  
Dirac Fermion ◽  
Fermion Systems ◽  
Massless Dirac Fermion

scholarly journals Observation of Possible Nonlinear Anomalous Hall Effect in Organic Two-Dimensional Dirac Fermion System

2021 ◽  
Author(s):  
Andhika Kiswandhi ◽  
Toshihito Osada
Keyword(s):  
Hall Effect ◽  
Charge Order ◽  
Anomalous Hall Effect ◽  
Zero Magnetic Field ◽  
Dirac Fermion ◽  
Two Dimensional ◽  
Electronic Phase ◽  
Direction Dependence ◽  
Insulating Phase ◽  
Massless Dirac Fermion

Abstract We report the observation of nonlinear anomalous Hall effect (NLAHE) in the multilayered organic conductor α-(BEDT-TTF)2I3 in the charge order (CO) insulating phase just under the critical pressure for transition into two-dimensional (2D) massless Dirac fermion (DF) phase. We successfully extracted the finite nonlinear Hall voltage proportional to square current at zero magnetic field. The observed NLAHE features, current direction dependence and correlation with CO, are consistent with the previous estimation assuming 2D massive DF with a pair of tilted Dirac cones. This is the first observation of topological transport in organic conductors, and also the first example of NLAHE in the electronic phase with spontaneous symmetry breaking.

scholarly journals Quantum Hall effect in multilayered massless Dirac fermion systems with tilted cones

2013 ◽  
Vol 88 (7) ◽  
Author(s):  
Naoya Tajima ◽  
Takahiro Yamauchi ◽  
Tatsuya Yamaguchi ◽  
Masayuki Suda ◽  
Yoshitaka Kawasugi ◽  
...  
Keyword(s):  
Hall Effect ◽  
Quantum Hall Effect ◽  
Quantum Hall ◽  
Dirac Fermion ◽  
Fermion Systems ◽  
Massless Dirac Fermion

scholarly journals Light‐Induced Quantum Anomalous Hall Effect on the 2D Surfaces of 3D Topological Insulators

2021 ◽  
pp. 2101508
Author(s):  
Haowei Xu ◽  
Jian Zhou ◽  
Ju Li
Keyword(s):  
Hall Effect ◽  
Topological Insulators ◽  
Anomalous Hall Effect ◽  
Quantum Anomalous Hall Effect

scholarly journals Current-Driven Instability of the Quantum Anomalous Hall Effect in Ferromagnetic Topological Insulators

2017 ◽  
Vol 119 (1) ◽  
Author(s):  
Minoru Kawamura ◽  
Ryutaro Yoshimi ◽  
Atsushi Tsukazaki ◽  
Kei S. Takahashi ◽  
Masashi Kawasaki ◽  
...  
Keyword(s):  
Hall Effect ◽  
Topological Insulators ◽  
Anomalous Hall Effect ◽  
Quantum Anomalous Hall Effect

Proximity-induced magnetism and an anomalous Hall effect in Bi2Se3/LaCoO3: a topological insulator/ferromagnetic insulator thin film heterostructure

Nanoscale ◽  
2018 ◽  
Vol 10 (21) ◽  
pp. 10041-10049 ◽  
Author(s):  
Shanna Zhu ◽  
Dechao Meng ◽  
Genhao Liang ◽  
Gang Shi ◽  
Peng Zhao ◽  
...  
Keyword(s):  
Thin Film ◽  
Hall Effect ◽  
Topological Insulator ◽  
Topological Insulators ◽  
Anomalous Hall Effect ◽  
Ferromagnetic Phase ◽  
High Quality

A high-quality Bi2Se3/LaCoO3 heterostructure is fabricated as a new TI/FMI system for investigating a proximity-induced ferromagnetic phase in topological insulators.

scholarly journals Progress Review on Topological Properties of Heusler Materials

2020 ◽  
Vol 213 ◽  
pp. 02016
Author(s):  
Zhi Lin
Keyword(s):  
Hall Effect ◽  
Surface States ◽  
Anomalous Hall Effect ◽  
Edge State ◽  
Chiral Anomaly ◽  
Dirac Fermion ◽  
High Symmetry ◽  
Heusler Compounds ◽  
Topological Properties ◽  
Topological State

Starting from crystal, electronic and magnetic structures of Heusler compounds, this paper studies the new topological materials related to Heusler compounds and their topological properties, such as anomalous Hall effect, skyrmions, chiral anomaly, Dirac fermion, Weyl fermion, transverse Nernst thermoelectric effect, thermal spintronics and topological surface states. It can be discovered that the topological state of Heusler compound can be well protected due to its high symmetry, thus producing rich topological properties. Heusler materials belonged to Weyl semimetals usually have strong anomalous Hall effect, and the Heusler materials with doping or Anomalous Nernst Effect (ANE) usually have higher thermoelectric figure of merit. These anomalous effects are closely related to the strong spin–orbit interaction. In application, people can use the non-dissipative edge state of quantum anomalous Hall effect to develop a new generation of low-energy transistors and electronic devices. The conversion efficiency of thermoelectric materials can be improved by ANE, and topological superconductivity can be used to promote the progress of quantum computation.

scholarly journals Large Anomalous Hall Effect in Topological Insulators with Proximitized Ferromagnetic Insulators

2019 ◽  
Vol 123 (1) ◽  
Author(s):  
Masataka Mogi ◽  
Taro Nakajima ◽  
Victor Ukleev ◽  
Atsushi Tsukazaki ◽  
Ryutaro Yoshimi ◽  
...  
Keyword(s):  
Hall Effect ◽  
Topological Insulators ◽  
Anomalous Hall Effect

scholarly journals Effect of the Zero-Mode Landau Level on Interlayer Magnetoresistance in Multilayer Massless Dirac Fermion Systems

2009 ◽  
Vol 102 (17) ◽  
Author(s):  
Naoya Tajima ◽  
Shigeharu Sugawara ◽  
Reizo Kato ◽  
Yutaka Nishio ◽  
Koji Kajita
Keyword(s):  
Landau Level ◽  
Zero Mode ◽  
Dirac Fermion ◽  
Fermion Systems ◽  
Massless Dirac Fermion

Giant photoinduced anomalous Hall effect of the topological surface states in three dimensional topological insulators Bi2Te3

2020 ◽  
Vol 116 (14) ◽  
pp. 141603
Author(s):  
Jinling Yu ◽  
Wenyi Wu ◽  
Yumeng Wang ◽  
Kejing Zhu ◽  
Xiaolin Zeng ◽  
...  
Keyword(s):  
Hall Effect ◽  
Topological Insulators ◽  
Three Dimensional ◽  
Surface States ◽  
Anomalous Hall Effect ◽  
Topological Surface
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