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Related papers: Weak anti-localization in spin-orbit coupled latti…

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Spin-orbit coupling (SOC) drives interesting and non-trivial phenomena in solid state physics, ranging from topological to magnetic to transport properties. Thorough study of such phenomena often require effective models where SOC term is…

Materials Science · Physics 2024-07-09 Qiangqiang Gu , Shishir Kumar Pandey

We study coherent dynamics of tight-binding systems interacting with static and oscillating external fields. We consider Bloch oscillations and Wannier-Stark localization caused by dc fields, and compare these effects to dynamic…

Condensed Matter · Physics 2015-06-25 Martin Holthaus , Daniel W. Hone

The spin-orbit coupling (SOC) effect has been known to be profound in monolayer pristine transition metal dichalcogenides (TMDs). Here we show that point defects, which are omnipresent in the TMD membranes, exhibit even stronger SOC effects…

Mesoscale and Nanoscale Physics · Physics 2016-11-23 Wun-Fan Li , Changming Fang , Marijn A. van Huis

Spin-orbit coupling is studied using the quantum interference corrections to conductance in AlGaN/AlN/GaN two-dimensional electron systems where the carrier density is controlled by the persistent photoconductivity effect. All the samples…

Materials Science · Physics 2009-11-11 C. Kurdak , N. Biyikli , U. Ozgur , H. Morkoc , V. I. Litvinov

Non-van der Waals two-dimensional (2D) materials derived from strongly bonded non-layered crystals have recently emerged as a novel and rising platform for nanoscale research. While uncovering and tuning their (opto-)electronic, catalytic,…

We study the localization of a noninteracting and weakly interacting Bose-Einstein condensate with spin-orbit coupling loaded in a quasiperiodic bichromatic optical lattice potential using the numerical solution and variational…

Quantum Gases · Physics 2015-06-19 Yongshan Cheng , Gaohui Tang , S. K. Adhikari

Anderson localization is a single particle localization phenomena in disordered media that is accompanied by an absence of diffusion. Spin-orbit coupling (SOC) describes an interaction between a particle's spin and its momentum that…

Quantum Gases · Physics 2020-09-23 Y. Yue , C. A. R. Sá de Melo , I. B. Spielman

Bloch oscillations appear for a particle in a weakly tilted periodic potential. The intrinsic spin Hall effect is an outcome of a spin-orbit coupling. We demonstrate that both these phenomena can be realized simultaneously in a gas of…

Quantum Gases · Physics 2015-05-18 Jonas Larson , Jani-Petri Martikainen , Anssi Collin , Erik Sjoqvist

We study a 4-orbital tight-binding (TB) model for ZrSiS from the square sublattice generated by the Si atoms. After studying three other alternatives, we endow such model with a new effective spin-orbit coupling (SOC) consistent with {\em…

Materials Science · Physics 2024-01-19 Gustavo S. Orozco-Galvan , Amador Garcia-Fuente , Salvador Barraza-Lopez

Spin-orbit coupling (SOC) is a key interaction in spintronics, allowing an electrical control of spin or magnetization and, vice versa, a magnetic control of electrical current. However, recent advances have revealed much broader…

HgTe quantum wells and surfaces of three-dimensional topological insulators support Dirac fermions with a single-valley band dispersion. In the presence of disorder they experience weak antilocalization, which has been observed in recent…

Mesoscale and Nanoscale Physics · Physics 2015-03-19 G. Tkachov , E. M. Hankiewicz

Measuring the magnetoresistance (MR) of ultraclean {\it GaAs} two-dimensional holes in a large $r_s$ range of 20-50, two striking behaviors in relation to the spin-orbit coupling (SOC) emerge in response to strong electron-electron…

Strongly Correlated Electrons · Physics 2017-06-02 Jian Huang , L. N. Pfeiffer , K. W. West

We propose an effective lattice Hamiltonian for monolayer MoS$_2$ in order to describe the low-energy band structure and investigate the effect of perpendicular electric and magnetic fields on its electronic structure. We derive a…

Mesoscale and Nanoscale Physics · Physics 2013-09-04 Habib Rostami , Ali G. Moghaddam , Reza Asgari

We consider an attractive quasi-one dimensional spin-orbit coupled Bose-Einstein condensate (SOC BEC) confined in a periodic potential produced by the combination of linear and nonlinear optical lattices, and study the effects of squeezing…

Quantum Gases · Physics 2023-03-09 Golam Ali Sekh , Benoy Talukdar

This paper investigates the dynamics of compact localized modes in one-dimensional flat-band elastic lattices. Flat dispersion arises from destructive interference between neighboring elements, resulting in a zero group velocity across all…

Applied Physics · Physics 2024-12-10 Emanuele Riva , Jacopo Marconi , Francesco Braghin

Motivated by the experimental difficulty to produce topological insulators (TIs) of the Bi$_2$Se$_3$ family with pure surface-state conduction, we study the effect that the bulk can have on the low-temperature transport properties of gated…

Mesoscale and Nanoscale Physics · Physics 2018-12-31 H. Velkov , G. N. Bremm , T. Micklitz , G. Schwiete

Since the work of Anderson on localization, interference effects for the propagation of a wave in the presence of disorder have been extensively studied, as exemplified in coherent backscattering (CBS) of light. In the multiple scattering…

Quantum Physics · Physics 2009-11-07 Cord A. Mueller , Thibaut Jonckheere , Christian Miniatura , Dominique Delande

The U(1) holon-pair boson theory of Lee and Salk(Phys. Rev. B 64, 052501 (2001)) is applied to investigate the quantum scaling behavior of optical conductivity in the two dimensional systems of strongly correlated electrons. We examine the…

Superconductivity · Physics 2007-05-23 Jae-Hyeon Eom , Sung-Sik Lee , Ki-Seok Kim , Sung-Ho Suck Salk

Spin-orbit coupling (SOC), the core of numerous condensed-matter phenomena such as nontrivial band gap, magnetocrystalline anisotropy, etc, is generally considered to be appreciable only in heavy elements, detrimental to the synthetization…

Materials Science · Physics 2022-02-21 Jiayu Li , Qiushi Yao , Lin Wu , Zongxiang Hu , Boya Gao , Xiangang Wan , Qihang Liu

Weakly supervised object localization (WSOL) is a challenging task aiming to localize objects with only image-level supervision. Recent works apply visual transformer to WSOL and achieve significant success by exploiting the long-range…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Pingyu Wu , Wei Zhai , Yang Cao , Jiebo Luo , Zheng-Jun Zha