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

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This study investigates the quantum correction effect on electrical conductivity using a two-dimensional Wolff Hamiltonian, which is an effective model of the spin-orbit coupling (SOC) lattice system. The non-adiabatic transition processes…

Mesoscale and Nanoscale Physics · Physics 2021-11-17 Hiroshi Hayasaka

At low temperatures, quantum corrections, originating from the interference of the many paths an electron may take between two points, tend to dominate the transport properties of two-dimensional conductors. These quantum corrections…

Mesoscale and Nanoscale Physics · Physics 2023-04-20 Frederico Sousa , David T. S. Perkins , Aires Ferreira

We have studied the effect of spin-orbital coupling (SOC) on electronic transport properties of the thermoelectric material $\beta$-K$_{2}$Bi$_{8}$Se$_{13}$ via magnetoresistance (MR) measurements. We found that the strong SOC in this…

Mesoscale and Nanoscale Physics · Physics 2014-02-18 J. Hu , J. Y. Liu , Z. Q. Mao

Weak antilocalization (WAL) effect due to the interference corrections to the conductivity has been studied experimentally in a strained InGaAs/InP quantum well structure. From measurements in tilted magnetic filed, it was shown that both…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 S. A. Studenikin , P. T. Coleridge , P. J. Poole

Quantum interference is studied in a three-band model of pseudospin-one fermions in the $\alpha-\mathcal{T}_3$ lattice. We derive a general formula for magnetoconductivity that predicts a rich crossover between weak localization (WL) and…

Mesoscale and Nanoscale Physics · Physics 2023-06-28 Adesh Singh , G. Sharma

We report electron transport studies in an encapsulated few-layer WTe$_2$ at low temperatures and high magnetic fields. The magnetoconductance reveals a temperature-induced crossover between weak antilocalization (WAL) and weak localization…

Materials Science · Physics 2020-10-07 Xurui Zhang , John M. Woods , Judy J. Cha , Xiaoyan Shi

In this study, we investigate the weak localization (WL) and weak antilocalization (WAL) effects in twisted bilayer graphene positioned on a hexagonal boron nitride substrate. The bottom graphene layer aligns with the hexagonal boron…

Mesoscale and Nanoscale Physics · Physics 2023-07-12 Hongyi Yan , Haiwen Liu

Quantum interference between time-reversed electron paths in two dimensions leads to the well-known weak localization correction to resistance. If spin-orbit coupling is present, the resistance correction is negative, termed weak…

Mesoscale and Nanoscale Physics · Physics 2019-08-21 Xinxin Cai , Yilikal Ayino , Jin Yue , Peng Xu , Bharat Jalan , Vlad S. Pribiag

We investigate the electronic dispersion and transport properties of graphene/WSe$_{2}$ heterostructures in the presence of a proximity induced spin-orbit coupling (SOC) using a low-energy Hamiltonian, with different types of symmetry…

Mesoscale and Nanoscale Physics · Physics 2023-07-07 M. Zubair , P. Vasilopoulos , M. Tahir

Understanding fundamentals of few-body physics provides an interesting bottom-up approach for the clarification of many-body properties. The remarkable experimental progress in realizing spin-orbit coupling (SOC) in optical Raman lattices…

Quantum Gases · Physics 2019-01-16 Baihua Gong , Shuai Li , Xin-Hui Zhang , Bo Liu , Wei Yi

Weak antilocalization (WAL) is expected whenever strong spin-orbit coupling or scattering comes into play. Spin-orbit coupling in the bulk states of a topological insulator is very strong, enough to result in the topological phase…

Mesoscale and Nanoscale Physics · Physics 2011-10-03 Hai-Zhou Lu , Shun-Qing Shen

The effect of weak localization on spin relaxation in a two-dimensional system with a spin-split spectrum is considered. It is shown that the spin relaxation slows down due to the interference of electron waves moving along closed paths in…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 I. S. Lyubinskiy , V. Yu. Kachorovskii

Weak localization and weak anti-localization are quantum interference effects in quantum transport in a disordered electron system. Weak anti-localization enhances the conductivity and weak localization suppresses the conductivity with…

Mesoscale and Nanoscale Physics · Physics 2014-09-05 Hai-Zhou Lu , Shun-Qing Shen

We compute analytically the weak (anti)localization correction to the Drude conductivity for electrons in tubular semiconductor systems of zinc blende type. We include linear Rashba and Dresselhaus spin-orbit coupling (SOC) and compare…

Mesoscale and Nanoscale Physics · Physics 2016-12-09 Michael Kammermeier , Paul Wenk , John Schliemann , Sebastian Heedt , Thomas Schäpers

Quantum corrections to electrical resistance can serve as sensitive probes of the magnetic landscape of a material. For example, interference between time-reversed electron paths gives rise to weak localization effects, which can provide…

Materials Science · Physics 2021-03-31 Xinxin Cai , Jin Yue , Peng Xu , Bharat Jalan , Vlad S. Pribiag

We analyze the effect of weak localization (WL) and weak antilocalization (WAL) in the electronic transport through HgTe/CdTe quantum wells. We show that for increasing Fermi energy the magnetoconductance of a diffusive system with inverted…

Mesoscale and Nanoscale Physics · Physics 2012-12-13 Viktor Krueckl , Klaus Richter

We calculate the interference correction to the conductivity of doped transition metal dichalcogenide (TMDC) monolayers. Because of the interplay between valley structure and intrinsic spin-orbit coupling (SOC), these materials exhibit a…

Mesoscale and Nanoscale Physics · Physics 2019-05-15 Stefan Ilic , Julia S. Meyer , Manuel Houzet

Weak localization corrections to conductivity of ferromagnetic systems are studied theoretically in the case when spin-orbit interaction plays a significant role. Two cases are analyzed in detail: (i) the case when the spin-orbit…

Materials Science · Physics 2009-11-07 V. K. Dugaev , P. Bruno , J. Barnas

Strong gate control of proximity-induced spin-orbit coupling was recently predicted in bilayer graphene/transition metal dichalcogenides (BLG/TMDC) heterostructures, as charge carriers can easily be shifted between the two graphene layers,…

The presence of both inversion ($P$) and time-reversal ($T$) symmetries in solids leads to a well-known double degeneracy of the electronic bands (Kramers degeneracy). When the degeneracy is lifted, spin textures can be directly observed in…

Mesoscale and Nanoscale Physics · Physics 2020-03-05 H. Nakamura , D. Huang , J. Merz , E. Khalaf , P. Ostrovsky , A. Yaresko , D. Samal , H. Takagi
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